Home / 1,336.32-2,013.60-1,098.18

Finding the Fourth Proportional to 1,336.32, 2,013.60 and 1,098.18

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Solution

The fourth proportional to 1,336.32, 2,013.60 and 1,098.18 is: 1,654.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.32 : 2,013.60 = 1,098.18 : x
  2. Step 2: Convert to fraction form
    1,336.32/2,013.60 = 1,098.18/x
  3. Step 3: Cross multiply
    1,336.32x = 2,013.60 × 1,098.18
  4. Step 4: Simplify right side
    1,336.32x = 2,211,283.58
  5. Step 5: Solve for x
    x = 2,211,283.58/1,336.32
  6. Step 6: Final answer
    x = 1,654.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.