Home / 2,332.81-3,219.89-1,376.54

Finding the Fourth Proportional to 2,332.81, 3,219.89 and 1,376.54

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Solution

The fourth proportional to 2,332.81, 3,219.89 and 1,376.54 is: 1,899.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.81 : 3,219.89 = 1,376.54 : x
  2. Step 2: Convert to fraction form
    2,332.81/3,219.89 = 1,376.54/x
  3. Step 3: Cross multiply
    2,332.81x = 3,219.89 × 1,376.54
  4. Step 4: Simplify right side
    2,332.81x = 4,432,284.40
  5. Step 5: Solve for x
    x = 4,432,284.40/2,332.81
  6. Step 6: Final answer
    x = 1,899.98

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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.