Home / 2,148.15-2,966.25-1,616.11

Finding the Fourth Proportional to 2,148.15, 2,966.25 and 1,616.11

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Solution

The fourth proportional to 2,148.15, 2,966.25 and 1,616.11 is: 2,231.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.15 : 2,966.25 = 1,616.11 : x
  2. Step 2: Convert to fraction form
    2,148.15/2,966.25 = 1,616.11/x
  3. Step 3: Cross multiply
    2,148.15x = 2,966.25 × 1,616.11
  4. Step 4: Simplify right side
    2,148.15x = 4,793,794.35
  5. Step 5: Solve for x
    x = 4,793,794.35/2,148.15
  6. Step 6: Final answer
    x = 2,231.59

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1.5x scale

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.