Home / 3,348.40-4,621.11-2,023.20

Finding the Fourth Proportional to 3,348.40, 4,621.11 and 2,023.20

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Solution

The fourth proportional to 3,348.40, 4,621.11 and 2,023.20 is: 2,792.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.40 : 4,621.11 = 2,023.20 : x
  2. Step 2: Convert to fraction form
    3,348.40/4,621.11 = 2,023.20/x
  3. Step 3: Cross multiply
    3,348.40x = 4,621.11 × 2,023.20
  4. Step 4: Simplify right side
    3,348.40x = 9,349,429.75
  5. Step 5: Solve for x
    x = 9,349,429.75/3,348.40
  6. Step 6: Final answer
    x = 2,792.21

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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.