Home / 2,953.31-4,432.01-1,910.71

Finding the Fourth Proportional to 2,953.31, 4,432.01 and 1,910.71

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Solution

The fourth proportional to 2,953.31, 4,432.01 and 1,910.71 is: 2,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.31 : 4,432.01 = 1,910.71 : x
  2. Step 2: Convert to fraction form
    2,953.31/4,432.01 = 1,910.71/x
  3. Step 3: Cross multiply
    2,953.31x = 4,432.01 × 1,910.71
  4. Step 4: Simplify right side
    2,953.31x = 8,468,281.81
  5. Step 5: Solve for x
    x = 8,468,281.81/2,953.31
  6. Step 6: Final answer
    x = 2,867.39

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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.