Home / 3,452.18-4,762.28-2,123.78

Finding the Fourth Proportional to 3,452.18, 4,762.28 and 2,123.78

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Solution

The fourth proportional to 3,452.18, 4,762.28 and 2,123.78 is: 2,929.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452.18 : 4,762.28 = 2,123.78 : x
  2. Step 2: Convert to fraction form
    3,452.18/4,762.28 = 2,123.78/x
  3. Step 3: Cross multiply
    3,452.18x = 4,762.28 × 2,123.78
  4. Step 4: Simplify right side
    3,452.18x = 10,114,024.40
  5. Step 5: Solve for x
    x = 10,114,024.40/3,452.18
  6. Step 6: Final answer
    x = 2,929.75

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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.