Home / 3,923.12-5,412.80-2,526.68

Finding the Fourth Proportional to 3,923.12, 5,412.80 and 2,526.68

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Solution

The fourth proportional to 3,923.12, 5,412.80 and 2,526.68 is: 3,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.12 : 5,412.80 = 2,526.68 : x
  2. Step 2: Convert to fraction form
    3,923.12/5,412.80 = 2,526.68/x
  3. Step 3: Cross multiply
    3,923.12x = 5,412.80 × 2,526.68
  4. Step 4: Simplify right side
    3,923.12x = 13,676,413.50
  5. Step 5: Solve for x
    x = 13,676,413.50/3,923.12
  6. Step 6: Final answer
    x = 3,486.11

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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.