Home / 3,368.24-4,647.84-1,876.10

Finding the Fourth Proportional to 3,368.24, 4,647.84 and 1,876.10

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Solution

The fourth proportional to 3,368.24, 4,647.84 and 1,876.10 is: 2,588.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.24 : 4,647.84 = 1,876.10 : x
  2. Step 2: Convert to fraction form
    3,368.24/4,647.84 = 1,876.10/x
  3. Step 3: Cross multiply
    3,368.24x = 4,647.84 × 1,876.10
  4. Step 4: Simplify right side
    3,368.24x = 8,719,812.62
  5. Step 5: Solve for x
    x = 8,719,812.62/3,368.24
  6. Step 6: Final answer
    x = 2,588.83

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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.