Home / 2,691.48-4,037.58-2,643.24

Finding the Fourth Proportional to 2,691.48, 4,037.58 and 2,643.24

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Solution

The fourth proportional to 2,691.48, 4,037.58 and 2,643.24 is: 3,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.48 : 4,037.58 = 2,643.24 : x
  2. Step 2: Convert to fraction form
    2,691.48/4,037.58 = 2,643.24/x
  3. Step 3: Cross multiply
    2,691.48x = 4,037.58 × 2,643.24
  4. Step 4: Simplify right side
    2,691.48x = 10,672,292.96
  5. Step 5: Solve for x
    x = 10,672,292.96/2,691.48
  6. Step 6: Final answer
    x = 3,965.21

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1.5x scale

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.