Home / 2,915.75-4,373.62-2,514.40

Finding the Fourth Proportional to 2,915.75, 4,373.62 and 2,514.40

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Solution

The fourth proportional to 2,915.75, 4,373.62 and 2,514.40 is: 3,771.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.75 : 4,373.62 = 2,514.40 : x
  2. Step 2: Convert to fraction form
    2,915.75/4,373.62 = 2,514.40/x
  3. Step 3: Cross multiply
    2,915.75x = 4,373.62 × 2,514.40
  4. Step 4: Simplify right side
    2,915.75x = 10,997,012.91
  5. Step 5: Solve for x
    x = 10,997,012.91/2,915.75
  6. Step 6: Final answer
    x = 3,771.59

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1.5x scale

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.