Home / 2,332.39-3,218.70-1,270.15

Finding the Fourth Proportional to 2,332.39, 3,218.70 and 1,270.15

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Solution

The fourth proportional to 2,332.39, 3,218.70 and 1,270.15 is: 1,752.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.39 : 3,218.70 = 1,270.15 : x
  2. Step 2: Convert to fraction form
    2,332.39/3,218.70 = 1,270.15/x
  3. Step 3: Cross multiply
    2,332.39x = 3,218.70 × 1,270.15
  4. Step 4: Simplify right side
    2,332.39x = 4,088,231.81
  5. Step 5: Solve for x
    x = 4,088,231.81/2,332.39
  6. Step 6: Final answer
    x = 1,752.81

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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.