Home / 2,475.69-3,711.10-1,178.07

Finding the Fourth Proportional to 2,475.69, 3,711.10 and 1,178.07

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Solution

The fourth proportional to 2,475.69, 3,711.10 and 1,178.07 is: 1,765.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.69 : 3,711.10 = 1,178.07 : x
  2. Step 2: Convert to fraction form
    2,475.69/3,711.10 = 1,178.07/x
  3. Step 3: Cross multiply
    2,475.69x = 3,711.10 × 1,178.07
  4. Step 4: Simplify right side
    2,475.69x = 4,371,935.58
  5. Step 5: Solve for x
    x = 4,371,935.58/2,475.69
  6. Step 6: Final answer
    x = 1,765.95

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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.