Home / 2,948.88-4,423.60-1,487.12

Finding the Fourth Proportional to 2,948.88, 4,423.60 and 1,487.12

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Solution

The fourth proportional to 2,948.88, 4,423.60 and 1,487.12 is: 2,230.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.88 : 4,423.60 = 1,487.12 : x
  2. Step 2: Convert to fraction form
    2,948.88/4,423.60 = 1,487.12/x
  3. Step 3: Cross multiply
    2,948.88x = 4,423.60 × 1,487.12
  4. Step 4: Simplify right side
    2,948.88x = 6,578,424.03
  5. Step 5: Solve for x
    x = 6,578,424.03/2,948.88
  6. Step 6: Final answer
    x = 2,230.82

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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.