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Finding the Fourth Proportional to 3,054.06, 4,580.10 and 862.20

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Solution

The fourth proportional to 3,054.06, 4,580.10 and 862.20 is: 1,293.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.06 : 4,580.10 = 862.20 : x
  2. Step 2: Convert to fraction form
    3,054.06/4,580.10 = 862.20/x
  3. Step 3: Cross multiply
    3,054.06x = 4,580.10 × 862.20
  4. Step 4: Simplify right side
    3,054.06x = 3,948,962.22
  5. Step 5: Solve for x
    x = 3,948,962.22/3,054.06
  6. Step 6: Final answer
    x = 1,293.02

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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.