Home / 3,545.02-5,315.99-1,079.26

Finding the Fourth Proportional to 3,545.02, 5,315.99 and 1,079.26

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Solution

The fourth proportional to 3,545.02, 5,315.99 and 1,079.26 is: 1,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.02 : 5,315.99 = 1,079.26 : x
  2. Step 2: Convert to fraction form
    3,545.02/5,315.99 = 1,079.26/x
  3. Step 3: Cross multiply
    3,545.02x = 5,315.99 × 1,079.26
  4. Step 4: Simplify right side
    3,545.02x = 5,737,346.58
  5. Step 5: Solve for x
    x = 5,737,346.58/3,545.02
  6. Step 6: Final answer
    x = 1,618.42

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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.