Home / 2,840.56-4,257.15-1,522.90

Finding the Fourth Proportional to 2,840.56, 4,257.15 and 1,522.90

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Solution

The fourth proportional to 2,840.56, 4,257.15 and 1,522.90 is: 2,282.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.56 : 4,257.15 = 1,522.90 : x
  2. Step 2: Convert to fraction form
    2,840.56/4,257.15 = 1,522.90/x
  3. Step 3: Cross multiply
    2,840.56x = 4,257.15 × 1,522.90
  4. Step 4: Simplify right side
    2,840.56x = 6,483,213.74
  5. Step 5: Solve for x
    x = 6,483,213.74/2,840.56
  6. Step 6: Final answer
    x = 2,282.37

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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.