Home / 1,545.80-2,304.91-1,374.08

Finding the Fourth Proportional to 1,545.80, 2,304.91 and 1,374.08

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Solution

The fourth proportional to 1,545.80, 2,304.91 and 1,374.08 is: 2,048.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.80 : 2,304.91 = 1,374.08 : x
  2. Step 2: Convert to fraction form
    1,545.80/2,304.91 = 1,374.08/x
  3. Step 3: Cross multiply
    1,545.80x = 2,304.91 × 1,374.08
  4. Step 4: Simplify right side
    1,545.80x = 3,167,121.54
  5. Step 5: Solve for x
    x = 3,167,121.54/1,545.80
  6. Step 6: Final answer
    x = 2,048.86

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1.5x scale

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.