Home / 3,154.40-4,733.80-1,305.53

Finding the Fourth Proportional to 3,154.40, 4,733.80 and 1,305.53

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Solution

The fourth proportional to 3,154.40, 4,733.80 and 1,305.53 is: 1,959.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.40 : 4,733.80 = 1,305.53 : x
  2. Step 2: Convert to fraction form
    3,154.40/4,733.80 = 1,305.53/x
  3. Step 3: Cross multiply
    3,154.40x = 4,733.80 × 1,305.53
  4. Step 4: Simplify right side
    3,154.40x = 6,180,117.91
  5. Step 5: Solve for x
    x = 6,180,117.91/3,154.40
  6. Step 6: Final answer
    x = 1,959.21

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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.