Home / 3,113.48-4,672.06-1,264.76

Finding the Fourth Proportional to 3,113.48, 4,672.06 and 1,264.76

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Solution

The fourth proportional to 3,113.48, 4,672.06 and 1,264.76 is: 1,897.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.48 : 4,672.06 = 1,264.76 : x
  2. Step 2: Convert to fraction form
    3,113.48/4,672.06 = 1,264.76/x
  3. Step 3: Cross multiply
    3,113.48x = 4,672.06 × 1,264.76
  4. Step 4: Simplify right side
    3,113.48x = 5,909,034.61
  5. Step 5: Solve for x
    x = 5,909,034.61/3,113.48
  6. Step 6: Final answer
    x = 1,897.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.