Home / 2,655.28-3,665.48-1,817.34

Finding the Fourth Proportional to 2,655.28, 3,665.48 and 1,817.34

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Solution

The fourth proportional to 2,655.28, 3,665.48 and 1,817.34 is: 2,508.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.28 : 3,665.48 = 1,817.34 : x
  2. Step 2: Convert to fraction form
    2,655.28/3,665.48 = 1,817.34/x
  3. Step 3: Cross multiply
    2,655.28x = 3,665.48 × 1,817.34
  4. Step 4: Simplify right side
    2,655.28x = 6,661,423.42
  5. Step 5: Solve for x
    x = 6,661,423.42/2,655.28
  6. Step 6: Final answer
    x = 2,508.75

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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.