Home / 2,355.74-3,252.18-1,610.78

Finding the Fourth Proportional to 2,355.74, 3,252.18 and 1,610.78

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Solution

The fourth proportional to 2,355.74, 3,252.18 and 1,610.78 is: 2,223.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.74 : 3,252.18 = 1,610.78 : x
  2. Step 2: Convert to fraction form
    2,355.74/3,252.18 = 1,610.78/x
  3. Step 3: Cross multiply
    2,355.74x = 3,252.18 × 1,610.78
  4. Step 4: Simplify right side
    2,355.74x = 5,238,546.50
  5. Step 5: Solve for x
    x = 5,238,546.50/2,355.74
  6. Step 6: Final answer
    x = 2,223.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.