Home / 2,979.17-4,111.10-1,652.84

Finding the Fourth Proportional to 2,979.17, 4,111.10 and 1,652.84

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Solution

The fourth proportional to 2,979.17, 4,111.10 and 1,652.84 is: 2,280.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.17 : 4,111.10 = 1,652.84 : x
  2. Step 2: Convert to fraction form
    2,979.17/4,111.10 = 1,652.84/x
  3. Step 3: Cross multiply
    2,979.17x = 4,111.10 × 1,652.84
  4. Step 4: Simplify right side
    2,979.17x = 6,794,983.32
  5. Step 5: Solve for x
    x = 6,794,983.32/2,979.17
  6. Step 6: Final answer
    x = 2,280.83

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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.