Home / 3,763.32-5,642.93-2,988.30

Finding the Fourth Proportional to 3,763.32, 5,642.93 and 2,988.30

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Solution

The fourth proportional to 3,763.32, 5,642.93 and 2,988.30 is: 4,480.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.32 : 5,642.93 = 2,988.30 : x
  2. Step 2: Convert to fraction form
    3,763.32/5,642.93 = 2,988.30/x
  3. Step 3: Cross multiply
    3,763.32x = 5,642.93 × 2,988.30
  4. Step 4: Simplify right side
    3,763.32x = 16,862,785.14
  5. Step 5: Solve for x
    x = 16,862,785.14/3,763.32
  6. Step 6: Final answer
    x = 4,480.82

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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.