Home / 2,838.95-3,918.17-1,704.70

Finding the Fourth Proportional to 2,838.95, 3,918.17 and 1,704.70

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Solution

The fourth proportional to 2,838.95, 3,918.17 and 1,704.70 is: 2,352.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.95 : 3,918.17 = 1,704.70 : x
  2. Step 2: Convert to fraction form
    2,838.95/3,918.17 = 1,704.70/x
  3. Step 3: Cross multiply
    2,838.95x = 3,918.17 × 1,704.70
  4. Step 4: Simplify right side
    2,838.95x = 6,679,304.40
  5. Step 5: Solve for x
    x = 6,679,304.40/2,838.95
  6. Step 6: Final answer
    x = 2,352.74

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1.5x scale

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.