Home / 2,407.14-3,321.45-1,344.86

Finding the Fourth Proportional to 2,407.14, 3,321.45 and 1,344.86

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Solution

The fourth proportional to 2,407.14, 3,321.45 and 1,344.86 is: 1,855.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.14 : 3,321.45 = 1,344.86 : x
  2. Step 2: Convert to fraction form
    2,407.14/3,321.45 = 1,344.86/x
  3. Step 3: Cross multiply
    2,407.14x = 3,321.45 × 1,344.86
  4. Step 4: Simplify right side
    2,407.14x = 4,466,886.83
  5. Step 5: Solve for x
    x = 4,466,886.83/2,407.14
  6. Step 6: Final answer
    x = 1,855.68

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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.