Home / 1,373.76-1,899.05-1,176.93

Finding the Fourth Proportional to 1,373.76, 1,899.05 and 1,176.93

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Solution

The fourth proportional to 1,373.76, 1,899.05 and 1,176.93 is: 1,626.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.76 : 1,899.05 = 1,176.93 : x
  2. Step 2: Convert to fraction form
    1,373.76/1,899.05 = 1,176.93/x
  3. Step 3: Cross multiply
    1,373.76x = 1,899.05 × 1,176.93
  4. Step 4: Simplify right side
    1,373.76x = 2,235,043.03
  5. Step 5: Solve for x
    x = 2,235,043.03/1,373.76
  6. Step 6: Final answer
    x = 1,626.95

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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.