Home / 2,717.10-3,750.12-1,538.22

Finding the Fourth Proportional to 2,717.10, 3,750.12 and 1,538.22

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Solution

The fourth proportional to 2,717.10, 3,750.12 and 1,538.22 is: 2,123.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.10 : 3,750.12 = 1,538.22 : x
  2. Step 2: Convert to fraction form
    2,717.10/3,750.12 = 1,538.22/x
  3. Step 3: Cross multiply
    2,717.10x = 3,750.12 × 1,538.22
  4. Step 4: Simplify right side
    2,717.10x = 5,768,509.59
  5. Step 5: Solve for x
    x = 5,768,509.59/2,717.10
  6. Step 6: Final answer
    x = 2,123.04

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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.