Home / 2,937.75-4,407.35-1,206.38

Finding the Fourth Proportional to 2,937.75, 4,407.35 and 1,206.38

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Solution

The fourth proportional to 2,937.75, 4,407.35 and 1,206.38 is: 1,809.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.75 : 4,407.35 = 1,206.38 : x
  2. Step 2: Convert to fraction form
    2,937.75/4,407.35 = 1,206.38/x
  3. Step 3: Cross multiply
    2,937.75x = 4,407.35 × 1,206.38
  4. Step 4: Simplify right side
    2,937.75x = 5,316,910.82
  5. Step 5: Solve for x
    x = 5,316,910.82/2,937.75
  6. Step 6: Final answer
    x = 1,809.86

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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.