Home / 3,746.07-5,619.10-1,280.91

Finding the Fourth Proportional to 3,746.07, 5,619.10 and 1,280.91

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Solution

The fourth proportional to 3,746.07, 5,619.10 and 1,280.91 is: 1,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.07 : 5,619.10 = 1,280.91 : x
  2. Step 2: Convert to fraction form
    3,746.07/5,619.10 = 1,280.91/x
  3. Step 3: Cross multiply
    3,746.07x = 5,619.10 × 1,280.91
  4. Step 4: Simplify right side
    3,746.07x = 7,197,561.38
  5. Step 5: Solve for x
    x = 7,197,561.38/3,746.07
  6. Step 6: Final answer
    x = 1,921.36

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Similar ratio
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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.