Home / 2,492.40-3,739.23-2,058.78

Finding the Fourth Proportional to 2,492.40, 3,739.23 and 2,058.78

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Solution

The fourth proportional to 2,492.40, 3,739.23 and 2,058.78 is: 3,088.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.40 : 3,739.23 = 2,058.78 : x
  2. Step 2: Convert to fraction form
    2,492.40/3,739.23 = 2,058.78/x
  3. Step 3: Cross multiply
    2,492.40x = 3,739.23 × 2,058.78
  4. Step 4: Simplify right side
    2,492.40x = 7,698,251.94
  5. Step 5: Solve for x
    x = 7,698,251.94/2,492.40
  6. Step 6: Final answer
    x = 3,088.69

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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.