Home / 2,591.21-3,575.87-1,412.28

Finding the Fourth Proportional to 2,591.21, 3,575.87 and 1,412.28

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Solution

The fourth proportional to 2,591.21, 3,575.87 and 1,412.28 is: 1,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.21 : 3,575.87 = 1,412.28 : x
  2. Step 2: Convert to fraction form
    2,591.21/3,575.87 = 1,412.28/x
  3. Step 3: Cross multiply
    2,591.21x = 3,575.87 × 1,412.28
  4. Step 4: Simplify right side
    2,591.21x = 5,050,133.21
  5. Step 5: Solve for x
    x = 5,050,133.21/2,591.21
  6. Step 6: Final answer
    x = 1,948.95

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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.