Home / 1,616.50-2,425.67-914.27

Finding the Fourth Proportional to 1,616.50, 2,425.67 and 914.27

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Solution

The fourth proportional to 1,616.50, 2,425.67 and 914.27 is: 1,371.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.50 : 2,425.67 = 914.27 : x
  2. Step 2: Convert to fraction form
    1,616.50/2,425.67 = 914.27/x
  3. Step 3: Cross multiply
    1,616.50x = 2,425.67 × 914.27
  4. Step 4: Simplify right side
    1,616.50x = 2,217,707.47
  5. Step 5: Solve for x
    x = 2,217,707.47/1,616.50
  6. Step 6: Final answer
    x = 1,371.92

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1.5x scale

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.