Home / 2,746.08-4,119.84-1,015.20

Finding the Fourth Proportional to 2,746.08, 4,119.84 and 1,015.20

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Solution

The fourth proportional to 2,746.08, 4,119.84 and 1,015.20 is: 1,523.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.08 : 4,119.84 = 1,015.20 : x
  2. Step 2: Convert to fraction form
    2,746.08/4,119.84 = 1,015.20/x
  3. Step 3: Cross multiply
    2,746.08x = 4,119.84 × 1,015.20
  4. Step 4: Simplify right side
    2,746.08x = 4,182,461.57
  5. Step 5: Solve for x
    x = 4,182,461.57/2,746.08
  6. Step 6: Final answer
    x = 1,523.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.