Home / 2,302.91-3,178.07-1,254.98

Finding the Fourth Proportional to 2,302.91, 3,178.07 and 1,254.98

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Solution

The fourth proportional to 2,302.91, 3,178.07 and 1,254.98 is: 1,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.91 : 3,178.07 = 1,254.98 : x
  2. Step 2: Convert to fraction form
    2,302.91/3,178.07 = 1,254.98/x
  3. Step 3: Cross multiply
    2,302.91x = 3,178.07 × 1,254.98
  4. Step 4: Simplify right side
    2,302.91x = 3,988,408.01
  5. Step 5: Solve for x
    x = 3,988,408.01/2,302.91
  6. Step 6: Final answer
    x = 1,731.90

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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.