Home / 2,113.01-2,915.97-1,168.75

Finding the Fourth Proportional to 2,113.01, 2,915.97 and 1,168.75

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Solution

The fourth proportional to 2,113.01, 2,915.97 and 1,168.75 is: 1,612.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.01 : 2,915.97 = 1,168.75 : x
  2. Step 2: Convert to fraction form
    2,113.01/2,915.97 = 1,168.75/x
  3. Step 3: Cross multiply
    2,113.01x = 2,915.97 × 1,168.75
  4. Step 4: Simplify right side
    2,113.01x = 3,408,039.94
  5. Step 5: Solve for x
    x = 3,408,039.94/2,113.01
  6. Step 6: Final answer
    x = 1,612.89

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Double scale
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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.