Home / 2,719.08-3,752.19-1,540.22

Finding the Fourth Proportional to 2,719.08, 3,752.19 and 1,540.22

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Solution

The fourth proportional to 2,719.08, 3,752.19 and 1,540.22 is: 2,125.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.08 : 3,752.19 = 1,540.22 : x
  2. Step 2: Convert to fraction form
    2,719.08/3,752.19 = 1,540.22/x
  3. Step 3: Cross multiply
    2,719.08x = 3,752.19 × 1,540.22
  4. Step 4: Simplify right side
    2,719.08x = 5,779,179.32
  5. Step 5: Solve for x
    x = 5,779,179.32/2,719.08
  6. Step 6: Final answer
    x = 2,125.42

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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.