Home / 1,812.33-2,496.56-1,545.92

Finding the Fourth Proportional to 1,812.33, 2,496.56 and 1,545.92

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Solution

The fourth proportional to 1,812.33, 2,496.56 and 1,545.92 is: 2,129.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.33 : 2,496.56 = 1,545.92 : x
  2. Step 2: Convert to fraction form
    1,812.33/2,496.56 = 1,545.92/x
  3. Step 3: Cross multiply
    1,812.33x = 2,496.56 × 1,545.92
  4. Step 4: Simplify right side
    1,812.33x = 3,859,461.82
  5. Step 5: Solve for x
    x = 3,859,461.82/1,812.33
  6. Step 6: Final answer
    x = 2,129.56

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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.