Home / 2,461.75-3,397.22-1,357.75

Finding the Fourth Proportional to 2,461.75, 3,397.22 and 1,357.75

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Solution

The fourth proportional to 2,461.75, 3,397.22 and 1,357.75 is: 1,873.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461.75 : 3,397.22 = 1,357.75 : x
  2. Step 2: Convert to fraction form
    2,461.75/3,397.22 = 1,357.75/x
  3. Step 3: Cross multiply
    2,461.75x = 3,397.22 × 1,357.75
  4. Step 4: Simplify right side
    2,461.75x = 4,612,568.67
  5. Step 5: Solve for x
    x = 4,612,568.67/2,461.75
  6. Step 6: Final answer
    x = 1,873.70

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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.