Home / 2,275.40-3,413.16-632.07

Finding the Fourth Proportional to 2,275.40, 3,413.16 and 632.07

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Solution

The fourth proportional to 2,275.40, 3,413.16 and 632.07 is: 948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.40 : 3,413.16 = 632.07 : x
  2. Step 2: Convert to fraction form
    2,275.40/3,413.16 = 632.07/x
  3. Step 3: Cross multiply
    2,275.40x = 3,413.16 × 632.07
  4. Step 4: Simplify right side
    2,275.40x = 2,157,338.98
  5. Step 5: Solve for x
    x = 2,157,338.98/2,275.40
  6. Step 6: Final answer
    x = 948.12

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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.