Home / 2,690.60-4,037.06-1,130.96

Finding the Fourth Proportional to 2,690.60, 4,037.06 and 1,130.96

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Solution

The fourth proportional to 2,690.60, 4,037.06 and 1,130.96 is: 1,696.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.60 : 4,037.06 = 1,130.96 : x
  2. Step 2: Convert to fraction form
    2,690.60/4,037.06 = 1,130.96/x
  3. Step 3: Cross multiply
    2,690.60x = 4,037.06 × 1,130.96
  4. Step 4: Simplify right side
    2,690.60x = 4,565,753.38
  5. Step 5: Solve for x
    x = 4,565,753.38/2,690.60
  6. Step 6: Final answer
    x = 1,696.93

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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.