Home / 2,616.47-3,610.95-1,437.79

Finding the Fourth Proportional to 2,616.47, 3,610.95 and 1,437.79

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Solution

The fourth proportional to 2,616.47, 3,610.95 and 1,437.79 is: 1,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.47 : 3,610.95 = 1,437.79 : x
  2. Step 2: Convert to fraction form
    2,616.47/3,610.95 = 1,437.79/x
  3. Step 3: Cross multiply
    2,616.47x = 3,610.95 × 1,437.79
  4. Step 4: Simplify right side
    2,616.47x = 5,191,787.80
  5. Step 5: Solve for x
    x = 5,191,787.80/2,616.47
  6. Step 6: Final answer
    x = 1,984.27

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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.