Home / 3,542.40-5,313.69-1,077.57

Finding the Fourth Proportional to 3,542.40, 5,313.69 and 1,077.57

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Solution

The fourth proportional to 3,542.40, 5,313.69 and 1,077.57 is: 1,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.40 : 5,313.69 = 1,077.57 : x
  2. Step 2: Convert to fraction form
    3,542.40/5,313.69 = 1,077.57/x
  3. Step 3: Cross multiply
    3,542.40x = 5,313.69 × 1,077.57
  4. Step 4: Simplify right side
    3,542.40x = 5,725,872.93
  5. Step 5: Solve for x
    x = 5,725,872.93/3,542.40
  6. Step 6: Final answer
    x = 1,616.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.