Home / 2,574.38-3,552.65-1,395.45

Finding the Fourth Proportional to 2,574.38, 3,552.65 and 1,395.45

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Solution

The fourth proportional to 2,574.38, 3,552.65 and 1,395.45 is: 1,925.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.38 : 3,552.65 = 1,395.45 : x
  2. Step 2: Convert to fraction form
    2,574.38/3,552.65 = 1,395.45/x
  3. Step 3: Cross multiply
    2,574.38x = 3,552.65 × 1,395.45
  4. Step 4: Simplify right side
    2,574.38x = 4,957,545.44
  5. Step 5: Solve for x
    x = 4,957,545.44/2,574.38
  6. Step 6: Final answer
    x = 1,925.72

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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.