Home / 2,001.14-2,758.56-1,440.62

Finding the Fourth Proportional to 2,001.14, 2,758.56 and 1,440.62

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Solution

The fourth proportional to 2,001.14, 2,758.56 and 1,440.62 is: 1,985.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.14 : 2,758.56 = 1,440.62 : x
  2. Step 2: Convert to fraction form
    2,001.14/2,758.56 = 1,440.62/x
  3. Step 3: Cross multiply
    2,001.14x = 2,758.56 × 1,440.62
  4. Step 4: Simplify right side
    2,001.14x = 3,974,036.71
  5. Step 5: Solve for x
    x = 3,974,036.71/2,001.14
  6. Step 6: Final answer
    x = 1,985.89

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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.