Home / 3,077.18-4,616.27-1,228.35

Finding the Fourth Proportional to 3,077.18, 4,616.27 and 1,228.35

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Solution

The fourth proportional to 3,077.18, 4,616.27 and 1,228.35 is: 1,842.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.18 : 4,616.27 = 1,228.35 : x
  2. Step 2: Convert to fraction form
    3,077.18/4,616.27 = 1,228.35/x
  3. Step 3: Cross multiply
    3,077.18x = 4,616.27 × 1,228.35
  4. Step 4: Simplify right side
    3,077.18x = 5,670,395.25
  5. Step 5: Solve for x
    x = 5,670,395.25/3,077.18
  6. Step 6: Final answer
    x = 1,842.72

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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.