Home / 1,545.11-2,306.32-1,415.26

Finding the Fourth Proportional to 1,545.11, 2,306.32 and 1,415.26

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Solution

The fourth proportional to 1,545.11, 2,306.32 and 1,415.26 is: 2,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.11 : 2,306.32 = 1,415.26 : x
  2. Step 2: Convert to fraction form
    1,545.11/2,306.32 = 1,415.26/x
  3. Step 3: Cross multiply
    1,545.11x = 2,306.32 × 1,415.26
  4. Step 4: Simplify right side
    1,545.11x = 3,264,023.84
  5. Step 5: Solve for x
    x = 3,264,023.84/1,545.11
  6. Step 6: Final answer
    x = 2,112.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.