Home / 2,655.13-3,977.23-1,556.17

Finding the Fourth Proportional to 2,655.13, 3,977.23 and 1,556.17

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Solution

The fourth proportional to 2,655.13, 3,977.23 and 1,556.17 is: 2,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.13 : 3,977.23 = 1,556.17 : x
  2. Step 2: Convert to fraction form
    2,655.13/3,977.23 = 1,556.17/x
  3. Step 3: Cross multiply
    2,655.13x = 3,977.23 × 1,556.17
  4. Step 4: Simplify right side
    2,655.13x = 6,189,246.01
  5. Step 5: Solve for x
    x = 6,189,246.01/2,655.13
  6. Step 6: Final answer
    x = 2,331.05

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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.