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Finding the Fourth Proportional to 2,522.56, 3,783.84 and 1,547.68

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Solution

The fourth proportional to 2,522.56, 3,783.84 and 1,547.68 is: 2,321.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522.56 : 3,783.84 = 1,547.68 : x
  2. Step 2: Convert to fraction form
    2,522.56/3,783.84 = 1,547.68/x
  3. Step 3: Cross multiply
    2,522.56x = 3,783.84 × 1,547.68
  4. Step 4: Simplify right side
    2,522.56x = 5,856,173.49
  5. Step 5: Solve for x
    x = 5,856,173.49/2,522.56
  6. Step 6: Final answer
    x = 2,321.52

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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.