Home / 3,460.20-4,775.10-1,888.32

Finding the Fourth Proportional to 3,460.20, 4,775.10 and 1,888.32

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Solution

The fourth proportional to 3,460.20, 4,775.10 and 1,888.32 is: 2,605.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.20 : 4,775.10 = 1,888.32 : x
  2. Step 2: Convert to fraction form
    3,460.20/4,775.10 = 1,888.32/x
  3. Step 3: Cross multiply
    3,460.20x = 4,775.10 × 1,888.32
  4. Step 4: Simplify right side
    3,460.20x = 9,016,916.83
  5. Step 5: Solve for x
    x = 9,016,916.83/3,460.20
  6. Step 6: Final answer
    x = 2,605.89

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.