Home / 2,089.24-2,881.75-1,344.13

Finding the Fourth Proportional to 2,089.24, 2,881.75 and 1,344.13

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Solution

The fourth proportional to 2,089.24, 2,881.75 and 1,344.13 is: 1,854.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.24 : 2,881.75 = 1,344.13 : x
  2. Step 2: Convert to fraction form
    2,089.24/2,881.75 = 1,344.13/x
  3. Step 3: Cross multiply
    2,089.24x = 2,881.75 × 1,344.13
  4. Step 4: Simplify right side
    2,089.24x = 3,873,439.91
  5. Step 5: Solve for x
    x = 3,873,439.91/2,089.24
  6. Step 6: Final answer
    x = 1,854.00

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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.