Home / 3,145.02-4,714.79-1,583.71

Finding the Fourth Proportional to 3,145.02, 4,714.79 and 1,583.71

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Solution

The fourth proportional to 3,145.02, 4,714.79 and 1,583.71 is: 2,374.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.02 : 4,714.79 = 1,583.71 : x
  2. Step 2: Convert to fraction form
    3,145.02/4,714.79 = 1,583.71/x
  3. Step 3: Cross multiply
    3,145.02x = 4,714.79 × 1,583.71
  4. Step 4: Simplify right side
    3,145.02x = 7,466,849.27
  5. Step 5: Solve for x
    x = 7,466,849.27/3,145.02
  6. Step 6: Final answer
    x = 2,374.18

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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.