Home / 2,440.40-3,363.12-1,775.99

Finding the Fourth Proportional to 2,440.40, 3,363.12 and 1,775.99

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Solution

The fourth proportional to 2,440.40, 3,363.12 and 1,775.99 is: 2,447.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.40 : 3,363.12 = 1,775.99 : x
  2. Step 2: Convert to fraction form
    2,440.40/3,363.12 = 1,775.99/x
  3. Step 3: Cross multiply
    2,440.40x = 3,363.12 × 1,775.99
  4. Step 4: Simplify right side
    2,440.40x = 5,972,875.90
  5. Step 5: Solve for x
    x = 5,972,875.90/2,440.40
  6. Step 6: Final answer
    x = 2,447.50

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1.5x scale

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.