Home / 2,490.48-3,724.38-1,866.18

Finding the Fourth Proportional to 2,490.48, 3,724.38 and 1,866.18

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Solution

The fourth proportional to 2,490.48, 3,724.38 and 1,866.18 is: 2,790.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.48 : 3,724.38 = 1,866.18 : x
  2. Step 2: Convert to fraction form
    2,490.48/3,724.38 = 1,866.18/x
  3. Step 3: Cross multiply
    2,490.48x = 3,724.38 × 1,866.18
  4. Step 4: Simplify right side
    2,490.48x = 6,950,363.47
  5. Step 5: Solve for x
    x = 6,950,363.47/2,490.48
  6. Step 6: Final answer
    x = 2,790.77

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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.