Home / 1,671.66-2,512.35-1,098.18

Finding the Fourth Proportional to 1,671.66, 2,512.35 and 1,098.18

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Solution

The fourth proportional to 1,671.66, 2,512.35 and 1,098.18 is: 1,650.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671.66 : 2,512.35 = 1,098.18 : x
  2. Step 2: Convert to fraction form
    1,671.66/2,512.35 = 1,098.18/x
  3. Step 3: Cross multiply
    1,671.66x = 2,512.35 × 1,098.18
  4. Step 4: Simplify right side
    1,671.66x = 2,759,012.52
  5. Step 5: Solve for x
    x = 2,759,012.52/1,671.66
  6. Step 6: Final answer
    x = 1,650.46

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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.