Home / 2,101-2,899.40-1,169.52

Finding the Fourth Proportional to 2,101, 2,899.40 and 1,169.52

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Solution

The fourth proportional to 2,101, 2,899.40 and 1,169.52 is: 1,613.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101 : 2,899.40 = 1,169.52 : x
  2. Step 2: Convert to fraction form
    2,101/2,899.40 = 1,169.52/x
  3. Step 3: Cross multiply
    2,101x = 2,899.40 × 1,169.52
  4. Step 4: Simplify right side
    2,101x = 3,390,906.29
  5. Step 5: Solve for x
    x = 3,390,906.29/2,101
  6. Step 6: Final answer
    x = 1,613.95

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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.