Home / 2,384.40-3,290.51-1,545.44

Finding the Fourth Proportional to 2,384.40, 3,290.51 and 1,545.44

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Solution

The fourth proportional to 2,384.40, 3,290.51 and 1,545.44 is: 2,132.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.40 : 3,290.51 = 1,545.44 : x
  2. Step 2: Convert to fraction form
    2,384.40/3,290.51 = 1,545.44/x
  3. Step 3: Cross multiply
    2,384.40x = 3,290.51 × 1,545.44
  4. Step 4: Simplify right side
    2,384.40x = 5,085,278.05
  5. Step 5: Solve for x
    x = 5,085,278.05/2,384.40
  6. Step 6: Final answer
    x = 2,132.73

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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.