Home / 3,148.76-4,345.22-1,732.50

Finding the Fourth Proportional to 3,148.76, 4,345.22 and 1,732.50

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Solution

The fourth proportional to 3,148.76, 4,345.22 and 1,732.50 is: 2,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.76 : 4,345.22 = 1,732.50 : x
  2. Step 2: Convert to fraction form
    3,148.76/4,345.22 = 1,732.50/x
  3. Step 3: Cross multiply
    3,148.76x = 4,345.22 × 1,732.50
  4. Step 4: Simplify right side
    3,148.76x = 7,528,084.99
  5. Step 5: Solve for x
    x = 7,528,084.99/3,148.76
  6. Step 6: Final answer
    x = 2,390.81

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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.