Home / 2,574.90-3,553.34-1,395.97

Finding the Fourth Proportional to 2,574.90, 3,553.34 and 1,395.97

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Solution

The fourth proportional to 2,574.90, 3,553.34 and 1,395.97 is: 1,926.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.90 : 3,553.34 = 1,395.97 : x
  2. Step 2: Convert to fraction form
    2,574.90/3,553.34 = 1,395.97/x
  3. Step 3: Cross multiply
    2,574.90x = 3,553.34 × 1,395.97
  4. Step 4: Simplify right side
    2,574.90x = 4,960,350.65
  5. Step 5: Solve for x
    x = 4,960,350.65/2,574.90
  6. Step 6: Final answer
    x = 1,926.42

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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.