Home / 3,115.16-4,649.92-2,746.08

Finding the Fourth Proportional to 3,115.16, 4,649.92 and 2,746.08

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Solution

The fourth proportional to 3,115.16, 4,649.92 and 2,746.08 is: 4,099.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.16 : 4,649.92 = 2,746.08 : x
  2. Step 2: Convert to fraction form
    3,115.16/4,649.92 = 2,746.08/x
  3. Step 3: Cross multiply
    3,115.16x = 4,649.92 × 2,746.08
  4. Step 4: Simplify right side
    3,115.16x = 12,769,052.31
  5. Step 5: Solve for x
    x = 12,769,052.31/3,115.16
  6. Step 6: Final answer
    x = 4,099.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.