Home / 2,443.08-3,374.40-1,778.88

Finding the Fourth Proportional to 2,443.08, 3,374.40 and 1,778.88

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Solution

The fourth proportional to 2,443.08, 3,374.40 and 1,778.88 is: 2,457.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443.08 : 3,374.40 = 1,778.88 : x
  2. Step 2: Convert to fraction form
    2,443.08/3,374.40 = 1,778.88/x
  3. Step 3: Cross multiply
    2,443.08x = 3,374.40 × 1,778.88
  4. Step 4: Simplify right side
    2,443.08x = 6,002,652.67
  5. Step 5: Solve for x
    x = 6,002,652.67/2,443.08
  6. Step 6: Final answer
    x = 2,457.00

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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.