Home / 2,952.08-4,428.16-1,412.72

Finding the Fourth Proportional to 2,952.08, 4,428.16 and 1,412.72

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Solution

The fourth proportional to 2,952.08, 4,428.16 and 1,412.72 is: 2,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.08 : 4,428.16 = 1,412.72 : x
  2. Step 2: Convert to fraction form
    2,952.08/4,428.16 = 1,412.72/x
  3. Step 3: Cross multiply
    2,952.08x = 4,428.16 × 1,412.72
  4. Step 4: Simplify right side
    2,952.08x = 6,255,750.20
  5. Step 5: Solve for x
    x = 6,255,750.20/2,952.08
  6. Step 6: Final answer
    x = 2,119.10

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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.