Home / 2,154.18-2,971.95-1,269.66

Finding the Fourth Proportional to 2,154.18, 2,971.95 and 1,269.66

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Solution

The fourth proportional to 2,154.18, 2,971.95 and 1,269.66 is: 1,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.18 : 2,971.95 = 1,269.66 : x
  2. Step 2: Convert to fraction form
    2,154.18/2,971.95 = 1,269.66/x
  3. Step 3: Cross multiply
    2,154.18x = 2,971.95 × 1,269.66
  4. Step 4: Simplify right side
    2,154.18x = 3,773,366.04
  5. Step 5: Solve for x
    x = 3,773,366.04/2,154.18
  6. Step 6: Final answer
    x = 1,751.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.