Home / 2,577.96-3,873.08-1,655.30

Finding the Fourth Proportional to 2,577.96, 3,873.08 and 1,655.30

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Solution

The fourth proportional to 2,577.96, 3,873.08 and 1,655.30 is: 2,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.96 : 3,873.08 = 1,655.30 : x
  2. Step 2: Convert to fraction form
    2,577.96/3,873.08 = 1,655.30/x
  3. Step 3: Cross multiply
    2,577.96x = 3,873.08 × 1,655.30
  4. Step 4: Simplify right side
    2,577.96x = 6,411,123.14
  5. Step 5: Solve for x
    x = 6,411,123.14/2,577.96
  6. Step 6: Final answer
    x = 2,486.90

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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.