Home / 3,098.75-4,278.69-2,037.24

Finding the Fourth Proportional to 3,098.75, 4,278.69 and 2,037.24

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Solution

The fourth proportional to 3,098.75, 4,278.69 and 2,037.24 is: 2,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.75 : 4,278.69 = 2,037.24 : x
  2. Step 2: Convert to fraction form
    3,098.75/4,278.69 = 2,037.24/x
  3. Step 3: Cross multiply
    3,098.75x = 4,278.69 × 2,037.24
  4. Step 4: Simplify right side
    3,098.75x = 8,716,718.42
  5. Step 5: Solve for x
    x = 8,716,718.42/3,098.75
  6. Step 6: Final answer
    x = 2,812.98

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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.