Home / 2,681.95-4,022.38-1,706.71

Finding the Fourth Proportional to 2,681.95, 4,022.38 and 1,706.71

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Solution

The fourth proportional to 2,681.95, 4,022.38 and 1,706.71 is: 2,559.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.95 : 4,022.38 = 1,706.71 : x
  2. Step 2: Convert to fraction form
    2,681.95/4,022.38 = 1,706.71/x
  3. Step 3: Cross multiply
    2,681.95x = 4,022.38 × 1,706.71
  4. Step 4: Simplify right side
    2,681.95x = 6,865,036.17
  5. Step 5: Solve for x
    x = 6,865,036.17/2,681.95
  6. Step 6: Final answer
    x = 2,559.72

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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.