Home / 3,609.28-5,413.32-1,011.68

Finding the Fourth Proportional to 3,609.28, 5,413.32 and 1,011.68

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Solution

The fourth proportional to 3,609.28, 5,413.32 and 1,011.68 is: 1,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.28 : 5,413.32 = 1,011.68 : x
  2. Step 2: Convert to fraction form
    3,609.28/5,413.32 = 1,011.68/x
  3. Step 3: Cross multiply
    3,609.28x = 5,413.32 × 1,011.68
  4. Step 4: Simplify right side
    3,609.28x = 5,476,547.58
  5. Step 5: Solve for x
    x = 5,476,547.58/3,609.28
  6. Step 6: Final answer
    x = 1,517.35

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1.5x scale

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.