Home / 2,343.17-3,233.64-1,280.99

Finding the Fourth Proportional to 2,343.17, 3,233.64 and 1,280.99

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Solution

The fourth proportional to 2,343.17, 3,233.64 and 1,280.99 is: 1,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.17 : 3,233.64 = 1,280.99 : x
  2. Step 2: Convert to fraction form
    2,343.17/3,233.64 = 1,280.99/x
  3. Step 3: Cross multiply
    2,343.17x = 3,233.64 × 1,280.99
  4. Step 4: Simplify right side
    2,343.17x = 4,142,257.30
  5. Step 5: Solve for x
    x = 4,142,257.30/2,343.17
  6. Step 6: Final answer
    x = 1,767.80

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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.