Home / 3,130.83-4,670.61-2,614.15

Finding the Fourth Proportional to 3,130.83, 4,670.61 and 2,614.15

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Solution

The fourth proportional to 3,130.83, 4,670.61 and 2,614.15 is: 3,899.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.83 : 4,670.61 = 2,614.15 : x
  2. Step 2: Convert to fraction form
    3,130.83/4,670.61 = 2,614.15/x
  3. Step 3: Cross multiply
    3,130.83x = 4,670.61 × 2,614.15
  4. Step 4: Simplify right side
    3,130.83x = 12,209,672.74
  5. Step 5: Solve for x
    x = 12,209,672.74/3,130.83
  6. Step 6: Final answer
    x = 3,899.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.