Home / 2,817.32-4,226.94-1,587.14

Finding the Fourth Proportional to 2,817.32, 4,226.94 and 1,587.14

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Solution

The fourth proportional to 2,817.32, 4,226.94 and 1,587.14 is: 2,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.32 : 4,226.94 = 1,587.14 : x
  2. Step 2: Convert to fraction form
    2,817.32/4,226.94 = 1,587.14/x
  3. Step 3: Cross multiply
    2,817.32x = 4,226.94 × 1,587.14
  4. Step 4: Simplify right side
    2,817.32x = 6,708,745.55
  5. Step 5: Solve for x
    x = 6,708,745.55/2,817.32
  6. Step 6: Final answer
    x = 2,381.25

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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.