Home / 3,148.65-4,345.02-1,732.32

Finding the Fourth Proportional to 3,148.65, 4,345.02 and 1,732.32

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Solution

The fourth proportional to 3,148.65, 4,345.02 and 1,732.32 is: 2,390.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.65 : 4,345.02 = 1,732.32 : x
  2. Step 2: Convert to fraction form
    3,148.65/4,345.02 = 1,732.32/x
  3. Step 3: Cross multiply
    3,148.65x = 4,345.02 × 1,732.32
  4. Step 4: Simplify right side
    3,148.65x = 7,526,965.05
  5. Step 5: Solve for x
    x = 7,526,965.05/3,148.65
  6. Step 6: Final answer
    x = 2,390.54

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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.