Home / 2,355.27-3,242.88-2,000.45

Finding the Fourth Proportional to 2,355.27, 3,242.88 and 2,000.45

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Solution

The fourth proportional to 2,355.27, 3,242.88 and 2,000.45 is: 2,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.27 : 3,242.88 = 2,000.45 : x
  2. Step 2: Convert to fraction form
    2,355.27/3,242.88 = 2,000.45/x
  3. Step 3: Cross multiply
    2,355.27x = 3,242.88 × 2,000.45
  4. Step 4: Simplify right side
    2,355.27x = 6,487,219.30
  5. Step 5: Solve for x
    x = 6,487,219.30/2,355.27
  6. Step 6: Final answer
    x = 2,754.34

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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.