Home / 3,315.18-4,966.62-1,667.76

Finding the Fourth Proportional to 3,315.18, 4,966.62 and 1,667.76

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Solution

The fourth proportional to 3,315.18, 4,966.62 and 1,667.76 is: 2,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.18 : 4,966.62 = 1,667.76 : x
  2. Step 2: Convert to fraction form
    3,315.18/4,966.62 = 1,667.76/x
  3. Step 3: Cross multiply
    3,315.18x = 4,966.62 × 1,667.76
  4. Step 4: Simplify right side
    3,315.18x = 8,283,130.17
  5. Step 5: Solve for x
    x = 8,283,130.17/3,315.18
  6. Step 6: Final answer
    x = 2,498.55

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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.