Home / 2,415.07-3,332.97-1,352.78

Finding the Fourth Proportional to 2,415.07, 3,332.97 and 1,352.78

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Solution

The fourth proportional to 2,415.07, 3,332.97 and 1,352.78 is: 1,866.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.07 : 3,332.97 = 1,352.78 : x
  2. Step 2: Convert to fraction form
    2,415.07/3,332.97 = 1,352.78/x
  3. Step 3: Cross multiply
    2,415.07x = 3,332.97 × 1,352.78
  4. Step 4: Simplify right side
    2,415.07x = 4,508,775.16
  5. Step 5: Solve for x
    x = 4,508,775.16/2,415.07
  6. Step 6: Final answer
    x = 1,866.93

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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.