Home / 2,667.76-4,002.44-1,569.80

Finding the Fourth Proportional to 2,667.76, 4,002.44 and 1,569.80

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Solution

The fourth proportional to 2,667.76, 4,002.44 and 1,569.80 is: 2,355.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667.76 : 4,002.44 = 1,569.80 : x
  2. Step 2: Convert to fraction form
    2,667.76/4,002.44 = 1,569.80/x
  3. Step 3: Cross multiply
    2,667.76x = 4,002.44 × 1,569.80
  4. Step 4: Simplify right side
    2,667.76x = 6,283,030.31
  5. Step 5: Solve for x
    x = 6,283,030.31/2,667.76
  6. Step 6: Final answer
    x = 2,355.17

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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.