Home / 3,042.41-4,565.41-1,287.32

Finding the Fourth Proportional to 3,042.41, 4,565.41 and 1,287.32

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Solution

The fourth proportional to 3,042.41, 4,565.41 and 1,287.32 is: 1,931.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.41 : 4,565.41 = 1,287.32 : x
  2. Step 2: Convert to fraction form
    3,042.41/4,565.41 = 1,287.32/x
  3. Step 3: Cross multiply
    3,042.41x = 4,565.41 × 1,287.32
  4. Step 4: Simplify right side
    3,042.41x = 5,877,117.56
  5. Step 5: Solve for x
    x = 5,877,117.56/3,042.41
  6. Step 6: Final answer
    x = 1,931.73

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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.