Home / 3,926.67-5,421.04-2,602.16

Finding the Fourth Proportional to 3,926.67, 5,421.04 and 2,602.16

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Solution

The fourth proportional to 3,926.67, 5,421.04 and 2,602.16 is: 3,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.67 : 5,421.04 = 2,602.16 : x
  2. Step 2: Convert to fraction form
    3,926.67/5,421.04 = 2,602.16/x
  3. Step 3: Cross multiply
    3,926.67x = 5,421.04 × 2,602.16
  4. Step 4: Simplify right side
    3,926.67x = 14,106,413.45
  5. Step 5: Solve for x
    x = 14,106,413.45/3,926.67
  6. Step 6: Final answer
    x = 3,592.46

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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.