Home / 3,690.30-5,094.84-2,570.76

Finding the Fourth Proportional to 3,690.30, 5,094.84 and 2,570.76

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Solution

The fourth proportional to 3,690.30, 5,094.84 and 2,570.76 is: 3,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.30 : 5,094.84 = 2,570.76 : x
  2. Step 2: Convert to fraction form
    3,690.30/5,094.84 = 2,570.76/x
  3. Step 3: Cross multiply
    3,690.30x = 5,094.84 × 2,570.76
  4. Step 4: Simplify right side
    3,690.30x = 13,097,610.88
  5. Step 5: Solve for x
    x = 13,097,610.88/3,690.30
  6. Step 6: Final answer
    x = 3,549.20

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Half 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.