Home / 3,246.84-4,870.88-1,515.47

Finding the Fourth Proportional to 3,246.84, 4,870.88 and 1,515.47

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Solution

The fourth proportional to 3,246.84, 4,870.88 and 1,515.47 is: 2,273.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.84 : 4,870.88 = 1,515.47 : x
  2. Step 2: Convert to fraction form
    3,246.84/4,870.88 = 1,515.47/x
  3. Step 3: Cross multiply
    3,246.84x = 4,870.88 × 1,515.47
  4. Step 4: Simplify right side
    3,246.84x = 7,381,640.58
  5. Step 5: Solve for x
    x = 7,381,640.58/3,246.84
  6. Step 6: Final answer
    x = 2,273.48

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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.