Home / 2,370.39-3,272.23-1,689.46

Finding the Fourth Proportional to 2,370.39, 3,272.23 and 1,689.46

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Solution

The fourth proportional to 2,370.39, 3,272.23 and 1,689.46 is: 2,332.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.39 : 3,272.23 = 1,689.46 : x
  2. Step 2: Convert to fraction form
    2,370.39/3,272.23 = 1,689.46/x
  3. Step 3: Cross multiply
    2,370.39x = 3,272.23 × 1,689.46
  4. Step 4: Simplify right side
    2,370.39x = 5,528,301.70
  5. Step 5: Solve for x
    x = 5,528,301.70/2,370.39
  6. Step 6: Final answer
    x = 2,332.23

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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.