Home / 2,423.44-3,344.19-1,428.53

Finding the Fourth Proportional to 2,423.44, 3,344.19 and 1,428.53

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Solution

The fourth proportional to 2,423.44, 3,344.19 and 1,428.53 is: 1,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.44 : 3,344.19 = 1,428.53 : x
  2. Step 2: Convert to fraction form
    2,423.44/3,344.19 = 1,428.53/x
  3. Step 3: Cross multiply
    2,423.44x = 3,344.19 × 1,428.53
  4. Step 4: Simplify right side
    2,423.44x = 4,777,275.74
  5. Step 5: Solve for x
    x = 4,777,275.74/2,423.44
  6. Step 6: Final answer
    x = 1,971.28

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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.