Home / 3,545.02-5,317.76-1,080.01

Finding the Fourth Proportional to 3,545.02, 5,317.76 and 1,080.01

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Solution

The fourth proportional to 3,545.02, 5,317.76 and 1,080.01 is: 1,620.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.02 : 5,317.76 = 1,080.01 : x
  2. Step 2: Convert to fraction form
    3,545.02/5,317.76 = 1,080.01/x
  3. Step 3: Cross multiply
    3,545.02x = 5,317.76 × 1,080.01
  4. Step 4: Simplify right side
    3,545.02x = 5,743,228.58
  5. Step 5: Solve for x
    x = 5,743,228.58/3,545.02
  6. Step 6: Final answer
    x = 1,620.08

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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.