Home / 2,000.24-2,985.06-1,781.54

Finding the Fourth Proportional to 2,000.24, 2,985.06 and 1,781.54

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Solution

The fourth proportional to 2,000.24, 2,985.06 and 1,781.54 is: 2,658.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.24 : 2,985.06 = 1,781.54 : x
  2. Step 2: Convert to fraction form
    2,000.24/2,985.06 = 1,781.54/x
  3. Step 3: Cross multiply
    2,000.24x = 2,985.06 × 1,781.54
  4. Step 4: Simplify right side
    2,000.24x = 5,318,003.79
  5. Step 5: Solve for x
    x = 5,318,003.79/2,000.24
  6. Step 6: Final answer
    x = 2,658.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.