Home / 3,573.28-4,931.12-2,001.36

Finding the Fourth Proportional to 3,573.28, 4,931.12 and 2,001.36

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Solution

The fourth proportional to 3,573.28, 4,931.12 and 2,001.36 is: 2,761.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.28 : 4,931.12 = 2,001.36 : x
  2. Step 2: Convert to fraction form
    3,573.28/4,931.12 = 2,001.36/x
  3. Step 3: Cross multiply
    3,573.28x = 4,931.12 × 2,001.36
  4. Step 4: Simplify right side
    3,573.28x = 9,868,946.32
  5. Step 5: Solve for x
    x = 9,868,946.32/3,573.28
  6. Step 6: Final answer
    x = 2,761.87

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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.