Home / 2,854.13-3,938.69-1,612.13

Finding the Fourth Proportional to 2,854.13, 3,938.69 and 1,612.13

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Solution

The fourth proportional to 2,854.13, 3,938.69 and 1,612.13 is: 2,224.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.13 : 3,938.69 = 1,612.13 : x
  2. Step 2: Convert to fraction form
    2,854.13/3,938.69 = 1,612.13/x
  3. Step 3: Cross multiply
    2,854.13x = 3,938.69 × 1,612.13
  4. Step 4: Simplify right side
    2,854.13x = 6,349,664.65
  5. Step 5: Solve for x
    x = 6,349,664.65/2,854.13
  6. Step 6: Final answer
    x = 2,224.73

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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.