Home / 2,000.81-3,001.28-1,123.26

Finding the Fourth Proportional to 2,000.81, 3,001.28 and 1,123.26

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Solution

The fourth proportional to 2,000.81, 3,001.28 and 1,123.26 is: 1,684.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.81 : 3,001.28 = 1,123.26 : x
  2. Step 2: Convert to fraction form
    2,000.81/3,001.28 = 1,123.26/x
  3. Step 3: Cross multiply
    2,000.81x = 3,001.28 × 1,123.26
  4. Step 4: Simplify right side
    2,000.81x = 3,371,212.16
  5. Step 5: Solve for x
    x = 3,371,212.16/2,000.81
  6. Step 6: Final answer
    x = 1,684.93

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1.5x scale

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.