Home / 2,667.59-4,001.89-1,206.74

Finding the Fourth Proportional to 2,667.59, 4,001.89 and 1,206.74

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Solution

The fourth proportional to 2,667.59, 4,001.89 and 1,206.74 is: 1,810.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667.59 : 4,001.89 = 1,206.74 : x
  2. Step 2: Convert to fraction form
    2,667.59/4,001.89 = 1,206.74/x
  3. Step 3: Cross multiply
    2,667.59x = 4,001.89 × 1,206.74
  4. Step 4: Simplify right side
    2,667.59x = 4,829,240.74
  5. Step 5: Solve for x
    x = 4,829,240.74/2,667.59
  6. Step 6: Final answer
    x = 1,810.34

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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.