Home / 3,077.93-4,614.12-1,129.68

Finding the Fourth Proportional to 3,077.93, 4,614.12 and 1,129.68

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Solution

The fourth proportional to 3,077.93, 4,614.12 and 1,129.68 is: 1,693.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.93 : 4,614.12 = 1,129.68 : x
  2. Step 2: Convert to fraction form
    3,077.93/4,614.12 = 1,129.68/x
  3. Step 3: Cross multiply
    3,077.93x = 4,614.12 × 1,129.68
  4. Step 4: Simplify right side
    3,077.93x = 5,212,479.08
  5. Step 5: Solve for x
    x = 5,212,479.08/3,077.93
  6. Step 6: Final answer
    x = 1,693.50

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1.5x scale

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.