Home / 2,005.03-3,007.59-1,127.41

Finding the Fourth Proportional to 2,005.03, 3,007.59 and 1,127.41

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Solution

The fourth proportional to 2,005.03, 3,007.59 and 1,127.41 is: 1,691.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005.03 : 3,007.59 = 1,127.41 : x
  2. Step 2: Convert to fraction form
    2,005.03/3,007.59 = 1,127.41/x
  3. Step 3: Cross multiply
    2,005.03x = 3,007.59 × 1,127.41
  4. Step 4: Simplify right side
    2,005.03x = 3,390,787.04
  5. Step 5: Solve for x
    x = 3,390,787.04/2,005.03
  6. Step 6: Final answer
    x = 1,691.14

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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.