Home / 3,143.02-4,715.82-1,582.18

Finding the Fourth Proportional to 3,143.02, 4,715.82 and 1,582.18

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Solution

The fourth proportional to 3,143.02, 4,715.82 and 1,582.18 is: 2,373.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.02 : 4,715.82 = 1,582.18 : x
  2. Step 2: Convert to fraction form
    3,143.02/4,715.82 = 1,582.18/x
  3. Step 3: Cross multiply
    3,143.02x = 4,715.82 × 1,582.18
  4. Step 4: Simplify right side
    3,143.02x = 7,461,276.09
  5. Step 5: Solve for x
    x = 7,461,276.09/3,143.02
  6. Step 6: Final answer
    x = 2,373.92

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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.