Home / 3,545.57-5,320.01-1,353.58

Finding the Fourth Proportional to 3,545.57, 5,320.01 and 1,353.58

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Solution

The fourth proportional to 3,545.57, 5,320.01 and 1,353.58 is: 2,031.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.57 : 5,320.01 = 1,353.58 : x
  2. Step 2: Convert to fraction form
    3,545.57/5,320.01 = 1,353.58/x
  3. Step 3: Cross multiply
    3,545.57x = 5,320.01 × 1,353.58
  4. Step 4: Simplify right side
    3,545.57x = 7,201,049.22
  5. Step 5: Solve for x
    x = 7,201,049.22/3,545.57
  6. Step 6: Final answer
    x = 2,031.00

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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.