Home / 3,526.89-4,860.88-3,119.55

Finding the Fourth Proportional to 3,526.89, 4,860.88 and 3,119.55

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Solution

The fourth proportional to 3,526.89, 4,860.88 and 3,119.55 is: 4,299.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.89 : 4,860.88 = 3,119.55 : x
  2. Step 2: Convert to fraction form
    3,526.89/4,860.88 = 3,119.55/x
  3. Step 3: Cross multiply
    3,526.89x = 4,860.88 × 3,119.55
  4. Step 4: Simplify right side
    3,526.89x = 15,163,758.20
  5. Step 5: Solve for x
    x = 15,163,758.20/3,526.89
  6. Step 6: Final answer
    x = 4,299.47

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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.