Home / 2,114.42-2,915.10-1,734.92

Finding the Fourth Proportional to 2,114.42, 2,915.10 and 1,734.92

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Solution

The fourth proportional to 2,114.42, 2,915.10 and 1,734.92 is: 2,391.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.42 : 2,915.10 = 1,734.92 : x
  2. Step 2: Convert to fraction form
    2,114.42/2,915.10 = 1,734.92/x
  3. Step 3: Cross multiply
    2,114.42x = 2,915.10 × 1,734.92
  4. Step 4: Simplify right side
    2,114.42x = 5,057,444.21
  5. Step 5: Solve for x
    x = 5,057,444.21/2,114.42
  6. Step 6: Final answer
    x = 2,391.89

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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.