Home / 2,412.12-3,328.50-1,349.83

Finding the Fourth Proportional to 2,412.12, 3,328.50 and 1,349.83

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Solution

The fourth proportional to 2,412.12, 3,328.50 and 1,349.83 is: 1,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.12 : 3,328.50 = 1,349.83 : x
  2. Step 2: Convert to fraction form
    2,412.12/3,328.50 = 1,349.83/x
  3. Step 3: Cross multiply
    2,412.12x = 3,328.50 × 1,349.83
  4. Step 4: Simplify right side
    2,412.12x = 4,492,918.75
  5. Step 5: Solve for x
    x = 4,492,918.75/2,412.12
  6. Step 6: Final answer
    x = 1,862.64

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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.