Home / 3,485.95-5,229.61-1,538.17

Finding the Fourth Proportional to 3,485.95, 5,229.61 and 1,538.17

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Solution

The fourth proportional to 3,485.95, 5,229.61 and 1,538.17 is: 2,307.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.95 : 5,229.61 = 1,538.17 : x
  2. Step 2: Convert to fraction form
    3,485.95/5,229.61 = 1,538.17/x
  3. Step 3: Cross multiply
    3,485.95x = 5,229.61 × 1,538.17
  4. Step 4: Simplify right side
    3,485.95x = 8,044,012.29
  5. Step 5: Solve for x
    x = 8,044,012.29/3,485.95
  6. Step 6: Final answer
    x = 2,307.55

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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.