Home / 2,917.85-4,378.59-1,944.63

Finding the Fourth Proportional to 2,917.85, 4,378.59 and 1,944.63

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Solution

The fourth proportional to 2,917.85, 4,378.59 and 1,944.63 is: 2,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.85 : 4,378.59 = 1,944.63 : x
  2. Step 2: Convert to fraction form
    2,917.85/4,378.59 = 1,944.63/x
  3. Step 3: Cross multiply
    2,917.85x = 4,378.59 × 1,944.63
  4. Step 4: Simplify right side
    2,917.85x = 8,514,737.47
  5. Step 5: Solve for x
    x = 8,514,737.47/2,917.85
  6. Step 6: Final answer
    x = 2,918.16

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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.