Home / 2,717.08-3,749.46-1,538.14

Finding the Fourth Proportional to 2,717.08, 3,749.46 and 1,538.14

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Solution

The fourth proportional to 2,717.08, 3,749.46 and 1,538.14 is: 2,122.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.08 : 3,749.46 = 1,538.14 : x
  2. Step 2: Convert to fraction form
    2,717.08/3,749.46 = 1,538.14/x
  3. Step 3: Cross multiply
    2,717.08x = 3,749.46 × 1,538.14
  4. Step 4: Simplify right side
    2,717.08x = 5,767,194.40
  5. Step 5: Solve for x
    x = 5,767,194.40/2,717.08
  6. Step 6: Final answer
    x = 2,122.57

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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.