Home / 2,113.07-2,915.97-1,168.81

Finding the Fourth Proportional to 2,113.07, 2,915.97 and 1,168.81

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Solution

The fourth proportional to 2,113.07, 2,915.97 and 1,168.81 is: 1,612.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.07 : 2,915.97 = 1,168.81 : x
  2. Step 2: Convert to fraction form
    2,113.07/2,915.97 = 1,168.81/x
  3. Step 3: Cross multiply
    2,113.07x = 2,915.97 × 1,168.81
  4. Step 4: Simplify right side
    2,113.07x = 3,408,214.90
  5. Step 5: Solve for x
    x = 3,408,214.90/2,113.07
  6. Step 6: Final answer
    x = 1,612.92

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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.