Home / 3,331.53-4,999.12-2,503.20

Finding the Fourth Proportional to 3,331.53, 4,999.12 and 2,503.20

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Solution

The fourth proportional to 3,331.53, 4,999.12 and 2,503.20 is: 3,756.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.53 : 4,999.12 = 2,503.20 : x
  2. Step 2: Convert to fraction form
    3,331.53/4,999.12 = 2,503.20/x
  3. Step 3: Cross multiply
    3,331.53x = 4,999.12 × 2,503.20
  4. Step 4: Simplify right side
    3,331.53x = 12,513,809.67
  5. Step 5: Solve for x
    x = 12,513,809.67/3,331.53
  6. Step 6: Final answer
    x = 3,756.17

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1.5x scale

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.