Home / 3,545.47-5,316.41-2,065.18

Finding the Fourth Proportional to 3,545.47, 5,316.41 and 2,065.18

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Solution

The fourth proportional to 3,545.47, 5,316.41 and 2,065.18 is: 3,096.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.47 : 5,316.41 = 2,065.18 : x
  2. Step 2: Convert to fraction form
    3,545.47/5,316.41 = 2,065.18/x
  3. Step 3: Cross multiply
    3,545.47x = 5,316.41 × 2,065.18
  4. Step 4: Simplify right side
    3,545.47x = 10,979,317.02
  5. Step 5: Solve for x
    x = 10,979,317.02/3,545.47
  6. Step 6: Final answer
    x = 3,096.72

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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.