Home / 3,678.71-5,518.73-2,363.76

Finding the Fourth Proportional to 3,678.71, 5,518.73 and 2,363.76

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Solution

The fourth proportional to 3,678.71, 5,518.73 and 2,363.76 is: 3,546.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.71 : 5,518.73 = 2,363.76 : x
  2. Step 2: Convert to fraction form
    3,678.71/5,518.73 = 2,363.76/x
  3. Step 3: Cross multiply
    3,678.71x = 5,518.73 × 2,363.76
  4. Step 4: Simplify right side
    3,678.71x = 13,044,941.41
  5. Step 5: Solve for x
    x = 13,044,941.41/3,678.71
  6. Step 6: Final answer
    x = 3,546.07

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1.5x scale

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.