Home / 3,440.98-4,747.01-2,114.20

Finding the Fourth Proportional to 3,440.98, 4,747.01 and 2,114.20

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Solution

The fourth proportional to 3,440.98, 4,747.01 and 2,114.20 is: 2,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.98 : 4,747.01 = 2,114.20 : x
  2. Step 2: Convert to fraction form
    3,440.98/4,747.01 = 2,114.20/x
  3. Step 3: Cross multiply
    3,440.98x = 4,747.01 × 2,114.20
  4. Step 4: Simplify right side
    3,440.98x = 10,036,123.90
  5. Step 5: Solve for x
    x = 10,036,123.90/3,440.98
  6. Step 6: Final answer
    x = 2,916.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.