Home / 1,706.20-2,352.95-1,578.93

Finding the Fourth Proportional to 1,706.20, 2,352.95 and 1,578.93

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Solution

The fourth proportional to 1,706.20, 2,352.95 and 1,578.93 is: 2,177.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.20 : 2,352.95 = 1,578.93 : x
  2. Step 2: Convert to fraction form
    1,706.20/2,352.95 = 1,578.93/x
  3. Step 3: Cross multiply
    1,706.20x = 2,352.95 × 1,578.93
  4. Step 4: Simplify right side
    1,706.20x = 3,715,132.55
  5. Step 5: Solve for x
    x = 3,715,132.55/1,706.20
  6. Step 6: Final answer
    x = 2,177.43

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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.