Home / 2,938.60-4,401.28-2,064.98

Finding the Fourth Proportional to 2,938.60, 4,401.28 and 2,064.98

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Solution

The fourth proportional to 2,938.60, 4,401.28 and 2,064.98 is: 3,092.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.60 : 4,401.28 = 2,064.98 : x
  2. Step 2: Convert to fraction form
    2,938.60/4,401.28 = 2,064.98/x
  3. Step 3: Cross multiply
    2,938.60x = 4,401.28 × 2,064.98
  4. Step 4: Simplify right side
    2,938.60x = 9,088,555.17
  5. Step 5: Solve for x
    x = 9,088,555.17/2,938.60
  6. Step 6: Final answer
    x = 3,092.82

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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.