Home / 3,460.02-4,774.83-1,888.20

Finding the Fourth Proportional to 3,460.02, 4,774.83 and 1,888.20

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Solution

The fourth proportional to 3,460.02, 4,774.83 and 1,888.20 is: 2,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.02 : 4,774.83 = 1,888.20 : x
  2. Step 2: Convert to fraction form
    3,460.02/4,774.83 = 1,888.20/x
  3. Step 3: Cross multiply
    3,460.02x = 4,774.83 × 1,888.20
  4. Step 4: Simplify right side
    3,460.02x = 9,015,834.01
  5. Step 5: Solve for x
    x = 9,015,834.01/3,460.02
  6. Step 6: Final answer
    x = 2,605.72

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Half scale
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Double scale
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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.