Home / 1,671.46-2,291.65-1,641.83

Finding the Fourth Proportional to 1,671.46, 2,291.65 and 1,641.83

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Solution

The fourth proportional to 1,671.46, 2,291.65 and 1,641.83 is: 2,251.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671.46 : 2,291.65 = 1,641.83 : x
  2. Step 2: Convert to fraction form
    1,671.46/2,291.65 = 1,641.83/x
  3. Step 3: Cross multiply
    1,671.46x = 2,291.65 × 1,641.83
  4. Step 4: Simplify right side
    1,671.46x = 3,762,484.16
  5. Step 5: Solve for x
    x = 3,762,484.16/1,671.46
  6. Step 6: Final answer
    x = 2,251.02

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.