Home / 2,823.44-3,895.16-1,937.70

Finding the Fourth Proportional to 2,823.44, 3,895.16 and 1,937.70

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Solution

The fourth proportional to 2,823.44, 3,895.16 and 1,937.70 is: 2,673.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.44 : 3,895.16 = 1,937.70 : x
  2. Step 2: Convert to fraction form
    2,823.44/3,895.16 = 1,937.70/x
  3. Step 3: Cross multiply
    2,823.44x = 3,895.16 × 1,937.70
  4. Step 4: Simplify right side
    2,823.44x = 7,547,641.84
  5. Step 5: Solve for x
    x = 7,547,641.84/2,823.44
  6. Step 6: Final answer
    x = 2,673.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.