Home / 2,352.64-3,242.17-1,688.35

Finding the Fourth Proportional to 2,352.64, 3,242.17 and 1,688.35

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Solution

The fourth proportional to 2,352.64, 3,242.17 and 1,688.35 is: 2,326.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,352.64 : 3,242.17 = 1,688.35 : x
  2. Step 2: Convert to fraction form
    2,352.64/3,242.17 = 1,688.35/x
  3. Step 3: Cross multiply
    2,352.64x = 3,242.17 × 1,688.35
  4. Step 4: Simplify right side
    2,352.64x = 5,473,917.72
  5. Step 5: Solve for x
    x = 5,473,917.72/2,352.64
  6. Step 6: Final answer
    x = 2,326.71

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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.