Home / 1,713.29-2,361.91-1,215.74

Finding the Fourth Proportional to 1,713.29, 2,361.91 and 1,215.74

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Solution

The fourth proportional to 1,713.29, 2,361.91 and 1,215.74 is: 1,676.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.29 : 2,361.91 = 1,215.74 : x
  2. Step 2: Convert to fraction form
    1,713.29/2,361.91 = 1,215.74/x
  3. Step 3: Cross multiply
    1,713.29x = 2,361.91 × 1,215.74
  4. Step 4: Simplify right side
    1,713.29x = 2,871,473.61
  5. Step 5: Solve for x
    x = 2,871,473.61/1,713.29
  6. Step 6: Final answer
    x = 1,676.00

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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.