Home / 3,427.40-5,141.50-1,347.13

Finding the Fourth Proportional to 3,427.40, 5,141.50 and 1,347.13

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Solution

The fourth proportional to 3,427.40, 5,141.50 and 1,347.13 is: 2,020.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.40 : 5,141.50 = 1,347.13 : x
  2. Step 2: Convert to fraction form
    3,427.40/5,141.50 = 1,347.13/x
  3. Step 3: Cross multiply
    3,427.40x = 5,141.50 × 1,347.13
  4. Step 4: Simplify right side
    3,427.40x = 6,926,271.95
  5. Step 5: Solve for x
    x = 6,926,271.95/3,427.40
  6. Step 6: Final answer
    x = 2,020.85

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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.