Home / 2,715.26-3,745.72-1,708.19

Finding the Fourth Proportional to 2,715.26, 3,745.72 and 1,708.19

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Solution

The fourth proportional to 2,715.26, 3,745.72 and 1,708.19 is: 2,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.26 : 3,745.72 = 1,708.19 : x
  2. Step 2: Convert to fraction form
    2,715.26/3,745.72 = 1,708.19/x
  3. Step 3: Cross multiply
    2,715.26x = 3,745.72 × 1,708.19
  4. Step 4: Simplify right side
    2,715.26x = 6,398,394.10
  5. Step 5: Solve for x
    x = 6,398,394.10/2,715.26
  6. Step 6: Final answer
    x = 2,356.46

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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.