Home / 2,574.88-3,553.36-1,395.96

Finding the Fourth Proportional to 2,574.88, 3,553.36 and 1,395.96

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Solution

The fourth proportional to 2,574.88, 3,553.36 and 1,395.96 is: 1,926.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.88 : 3,553.36 = 1,395.96 : x
  2. Step 2: Convert to fraction form
    2,574.88/3,553.36 = 1,395.96/x
  3. Step 3: Cross multiply
    2,574.88x = 3,553.36 × 1,395.96
  4. Step 4: Simplify right side
    2,574.88x = 4,960,348.43
  5. Step 5: Solve for x
    x = 4,960,348.43/2,574.88
  6. Step 6: Final answer
    x = 1,926.44

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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.