Home / 3,374.48-5,062.14-1,426.20

Finding the Fourth Proportional to 3,374.48, 5,062.14 and 1,426.20

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Solution

The fourth proportional to 3,374.48, 5,062.14 and 1,426.20 is: 2,139.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.48 : 5,062.14 = 1,426.20 : x
  2. Step 2: Convert to fraction form
    3,374.48/5,062.14 = 1,426.20/x
  3. Step 3: Cross multiply
    3,374.48x = 5,062.14 × 1,426.20
  4. Step 4: Simplify right side
    3,374.48x = 7,219,624.07
  5. Step 5: Solve for x
    x = 7,219,624.07/3,374.48
  6. Step 6: Final answer
    x = 2,139.48

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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.