Home / 3,943.21-5,441.24-2,430.53

Finding the Fourth Proportional to 3,943.21, 5,441.24 and 2,430.53

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Solution

The fourth proportional to 3,943.21, 5,441.24 and 2,430.53 is: 3,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.21 : 5,441.24 = 2,430.53 : x
  2. Step 2: Convert to fraction form
    3,943.21/5,441.24 = 2,430.53/x
  3. Step 3: Cross multiply
    3,943.21x = 5,441.24 × 2,430.53
  4. Step 4: Simplify right side
    3,943.21x = 13,225,116.74
  5. Step 5: Solve for x
    x = 13,225,116.74/3,943.21
  6. Step 6: Final answer
    x = 3,353.90

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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.