Home / 3,246.12-4,869.72-1,054.20

Finding the Fourth Proportional to 3,246.12, 4,869.72 and 1,054.20

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Solution

The fourth proportional to 3,246.12, 4,869.72 and 1,054.20 is: 1,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.12 : 4,869.72 = 1,054.20 : x
  2. Step 2: Convert to fraction form
    3,246.12/4,869.72 = 1,054.20/x
  3. Step 3: Cross multiply
    3,246.12x = 4,869.72 × 1,054.20
  4. Step 4: Simplify right side
    3,246.12x = 5,133,658.82
  5. Step 5: Solve for x
    x = 5,133,658.82/3,246.12
  6. Step 6: Final answer
    x = 1,581.48

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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.