Home / 2,979.16-4,111.27-1,652.87

Finding the Fourth Proportional to 2,979.16, 4,111.27 and 1,652.87

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Solution

The fourth proportional to 2,979.16, 4,111.27 and 1,652.87 is: 2,280.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.16 : 4,111.27 = 1,652.87 : x
  2. Step 2: Convert to fraction form
    2,979.16/4,111.27 = 1,652.87/x
  3. Step 3: Cross multiply
    2,979.16x = 4,111.27 × 1,652.87
  4. Step 4: Simplify right side
    2,979.16x = 6,795,400.99
  5. Step 5: Solve for x
    x = 6,795,400.99/2,979.16
  6. Step 6: Final answer
    x = 2,280.98

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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.