Home / 3,077.55-4,616.33-1,345.77

Finding the Fourth Proportional to 3,077.55, 4,616.33 and 1,345.77

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Solution

The fourth proportional to 3,077.55, 4,616.33 and 1,345.77 is: 2,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.55 : 4,616.33 = 1,345.77 : x
  2. Step 2: Convert to fraction form
    3,077.55/4,616.33 = 1,345.77/x
  3. Step 3: Cross multiply
    3,077.55x = 4,616.33 × 1,345.77
  4. Step 4: Simplify right side
    3,077.55x = 6,212,511.70
  5. Step 5: Solve for x
    x = 6,212,511.70/3,077.55
  6. Step 6: Final answer
    x = 2,018.66

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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.