Home / 3,077.83-4,616.63-1,228.45

Finding the Fourth Proportional to 3,077.83, 4,616.63 and 1,228.45

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Solution

The fourth proportional to 3,077.83, 4,616.63 and 1,228.45 is: 1,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.83 : 4,616.63 = 1,228.45 : x
  2. Step 2: Convert to fraction form
    3,077.83/4,616.63 = 1,228.45/x
  3. Step 3: Cross multiply
    3,077.83x = 4,616.63 × 1,228.45
  4. Step 4: Simplify right side
    3,077.83x = 5,671,294.70
  5. Step 5: Solve for x
    x = 5,671,294.70/3,077.83
  6. Step 6: Final answer
    x = 1,842.63

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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.