Home / 3,518.00-5,278.82-1,545.01

Finding the Fourth Proportional to 3,518.00, 5,278.82 and 1,545.01

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Solution

The fourth proportional to 3,518.00, 5,278.82 and 1,545.01 is: 2,318.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.00 : 5,278.82 = 1,545.01 : x
  2. Step 2: Convert to fraction form
    3,518.00/5,278.82 = 1,545.01/x
  3. Step 3: Cross multiply
    3,518.00x = 5,278.82 × 1,545.01
  4. Step 4: Simplify right side
    3,518.00x = 8,155,838.46
  5. Step 5: Solve for x
    x = 8,155,838.46/3,518.00
  6. Step 6: Final answer
    x = 2,318.32

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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.