Home / 3,715.56-5,570.10-1,766.70

Finding the Fourth Proportional to 3,715.56, 5,570.10 and 1,766.70

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Solution

The fourth proportional to 3,715.56, 5,570.10 and 1,766.70 is: 2,648.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.56 : 5,570.10 = 1,766.70 : x
  2. Step 2: Convert to fraction form
    3,715.56/5,570.10 = 1,766.70/x
  3. Step 3: Cross multiply
    3,715.56x = 5,570.10 × 1,766.70
  4. Step 4: Simplify right side
    3,715.56x = 9,840,695.67
  5. Step 5: Solve for x
    x = 9,840,695.67/3,715.56
  6. Step 6: Final answer
    x = 2,648.51

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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.