Home / 3,148.48-4,720.65-1,763.86

Finding the Fourth Proportional to 3,148.48, 4,720.65 and 1,763.86

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Solution

The fourth proportional to 3,148.48, 4,720.65 and 1,763.86 is: 2,644.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.48 : 4,720.65 = 1,763.86 : x
  2. Step 2: Convert to fraction form
    3,148.48/4,720.65 = 1,763.86/x
  3. Step 3: Cross multiply
    3,148.48x = 4,720.65 × 1,763.86
  4. Step 4: Simplify right side
    3,148.48x = 8,326,565.71
  5. Step 5: Solve for x
    x = 8,326,565.71/3,148.48
  6. Step 6: Final answer
    x = 2,644.63

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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.