Home / 3,640.08-5,460.96-1,042.92

Finding the Fourth Proportional to 3,640.08, 5,460.96 and 1,042.92

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Solution

The fourth proportional to 3,640.08, 5,460.96 and 1,042.92 is: 1,564.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.08 : 5,460.96 = 1,042.92 : x
  2. Step 2: Convert to fraction form
    3,640.08/5,460.96 = 1,042.92/x
  3. Step 3: Cross multiply
    3,640.08x = 5,460.96 × 1,042.92
  4. Step 4: Simplify right side
    3,640.08x = 5,695,344.40
  5. Step 5: Solve for x
    x = 5,695,344.40/3,640.08
  6. Step 6: Final answer
    x = 1,564.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.