Home / 4,047.95-5,580.62-2,555.12

Finding the Fourth Proportional to 4,047.95, 5,580.62 and 2,555.12

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Solution

The fourth proportional to 4,047.95, 5,580.62 and 2,555.12 is: 3,522.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.95 : 5,580.62 = 2,555.12 : x
  2. Step 2: Convert to fraction form
    4,047.95/5,580.62 = 2,555.12/x
  3. Step 3: Cross multiply
    4,047.95x = 5,580.62 × 2,555.12
  4. Step 4: Simplify right side
    4,047.95x = 14,259,153.77
  5. Step 5: Solve for x
    x = 14,259,153.77/4,047.95
  6. Step 6: Final answer
    x = 3,522.56

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Half scale
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Double scale
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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.