Home / 2,275.64-3,413.45-632.18

Finding the Fourth Proportional to 2,275.64, 3,413.45 and 632.18

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Solution

The fourth proportional to 2,275.64, 3,413.45 and 632.18 is: 948.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.64 : 3,413.45 = 632.18 : x
  2. Step 2: Convert to fraction form
    2,275.64/3,413.45 = 632.18/x
  3. Step 3: Cross multiply
    2,275.64x = 3,413.45 × 632.18
  4. Step 4: Simplify right side
    2,275.64x = 2,157,924.94
  5. Step 5: Solve for x
    x = 2,157,924.94/2,275.64
  6. Step 6: Final answer
    x = 948.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.