Home / 2,531.44-3,491.40-1,745.20

Finding the Fourth Proportional to 2,531.44, 3,491.40 and 1,745.20

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Solution

The fourth proportional to 2,531.44, 3,491.40 and 1,745.20 is: 2,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.44 : 3,491.40 = 1,745.20 : x
  2. Step 2: Convert to fraction form
    2,531.44/3,491.40 = 1,745.20/x
  3. Step 3: Cross multiply
    2,531.44x = 3,491.40 × 1,745.20
  4. Step 4: Simplify right side
    2,531.44x = 6,093,191.28
  5. Step 5: Solve for x
    x = 6,093,191.28/2,531.44
  6. Step 6: Final answer
    x = 2,407.01

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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.