Home / 3,030.64-4,545.78-2,948.56

Finding the Fourth Proportional to 3,030.64, 4,545.78 and 2,948.56

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Solution

The fourth proportional to 3,030.64, 4,545.78 and 2,948.56 is: 4,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.64 : 4,545.78 = 2,948.56 : x
  2. Step 2: Convert to fraction form
    3,030.64/4,545.78 = 2,948.56/x
  3. Step 3: Cross multiply
    3,030.64x = 4,545.78 × 2,948.56
  4. Step 4: Simplify right side
    3,030.64x = 13,403,505.08
  5. Step 5: Solve for x
    x = 13,403,505.08/3,030.64
  6. Step 6: Final answer
    x = 4,422.66

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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.