Home / 2,655.79-3,666.63-1,711.92

Finding the Fourth Proportional to 2,655.79, 3,666.63 and 1,711.92

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Solution

The fourth proportional to 2,655.79, 3,666.63 and 1,711.92 is: 2,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.79 : 3,666.63 = 1,711.92 : x
  2. Step 2: Convert to fraction form
    2,655.79/3,666.63 = 1,711.92/x
  3. Step 3: Cross multiply
    2,655.79x = 3,666.63 × 1,711.92
  4. Step 4: Simplify right side
    2,655.79x = 6,276,977.23
  5. Step 5: Solve for x
    x = 6,276,977.23/2,655.79
  6. Step 6: Final answer
    x = 2,363.51

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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.