Home / 2,302.89-3,178.07-1,254.99

Finding the Fourth Proportional to 2,302.89, 3,178.07 and 1,254.99

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Solution

The fourth proportional to 2,302.89, 3,178.07 and 1,254.99 is: 1,731.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.89 : 3,178.07 = 1,254.99 : x
  2. Step 2: Convert to fraction form
    2,302.89/3,178.07 = 1,254.99/x
  3. Step 3: Cross multiply
    2,302.89x = 3,178.07 × 1,254.99
  4. Step 4: Simplify right side
    2,302.89x = 3,988,439.79
  5. Step 5: Solve for x
    x = 3,988,439.79/2,302.89
  6. Step 6: Final answer
    x = 1,731.93

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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.