Home / 2,098.15-3,147.02-1,057.74

Finding the Fourth Proportional to 2,098.15, 3,147.02 and 1,057.74

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Solution

The fourth proportional to 2,098.15, 3,147.02 and 1,057.74 is: 1,586.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098.15 : 3,147.02 = 1,057.74 : x
  2. Step 2: Convert to fraction form
    2,098.15/3,147.02 = 1,057.74/x
  3. Step 3: Cross multiply
    2,098.15x = 3,147.02 × 1,057.74
  4. Step 4: Simplify right side
    2,098.15x = 3,328,715.81
  5. Step 5: Solve for x
    x = 3,328,715.81/2,098.15
  6. Step 6: Final answer
    x = 1,586.50

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Double scale
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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.