Home / 2,292.68-3,155.73-1,915.52

Finding the Fourth Proportional to 2,292.68, 3,155.73 and 1,915.52

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Solution

The fourth proportional to 2,292.68, 3,155.73 and 1,915.52 is: 2,636.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.68 : 3,155.73 = 1,915.52 : x
  2. Step 2: Convert to fraction form
    2,292.68/3,155.73 = 1,915.52/x
  3. Step 3: Cross multiply
    2,292.68x = 3,155.73 × 1,915.52
  4. Step 4: Simplify right side
    2,292.68x = 6,044,863.93
  5. Step 5: Solve for x
    x = 6,044,863.93/2,292.68
  6. Step 6: Final answer
    x = 2,636.59

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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.