Home / 2,545.93-3,513.45-1,426.87

Finding the Fourth Proportional to 2,545.93, 3,513.45 and 1,426.87

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Solution

The fourth proportional to 2,545.93, 3,513.45 and 1,426.87 is: 1,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.93 : 3,513.45 = 1,426.87 : x
  2. Step 2: Convert to fraction form
    2,545.93/3,513.45 = 1,426.87/x
  3. Step 3: Cross multiply
    2,545.93x = 3,513.45 × 1,426.87
  4. Step 4: Simplify right side
    2,545.93x = 5,013,236.40
  5. Step 5: Solve for x
    x = 5,013,236.40/2,545.93
  6. Step 6: Final answer
    x = 1,969.12

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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.