Home / 2,714.30-3,745.75-1,535.30

Finding the Fourth Proportional to 2,714.30, 3,745.75 and 1,535.30

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Solution

The fourth proportional to 2,714.30, 3,745.75 and 1,535.30 is: 2,118.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,714.30 : 3,745.75 = 1,535.30 : x
  2. Step 2: Convert to fraction form
    2,714.30/3,745.75 = 1,535.30/x
  3. Step 3: Cross multiply
    2,714.30x = 3,745.75 × 1,535.30
  4. Step 4: Simplify right side
    2,714.30x = 5,750,849.98
  5. Step 5: Solve for x
    x = 5,750,849.98/2,714.30
  6. Step 6: Final answer
    x = 2,118.72

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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.