Home / 2,365.28-3,545.60-1,325.76

Finding the Fourth Proportional to 2,365.28, 3,545.60 and 1,325.76

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Solution

The fourth proportional to 2,365.28, 3,545.60 and 1,325.76 is: 1,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.28 : 3,545.60 = 1,325.76 : x
  2. Step 2: Convert to fraction form
    2,365.28/3,545.60 = 1,325.76/x
  3. Step 3: Cross multiply
    2,365.28x = 3,545.60 × 1,325.76
  4. Step 4: Simplify right side
    2,365.28x = 4,700,614.66
  5. Step 5: Solve for x
    x = 4,700,614.66/2,365.28
  6. Step 6: Final answer
    x = 1,987.34

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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.