Home / 1,717.61-2,369.49-1,054.05

Finding the Fourth Proportional to 1,717.61, 2,369.49 and 1,054.05

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Solution

The fourth proportional to 1,717.61, 2,369.49 and 1,054.05 is: 1,454.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.61 : 2,369.49 = 1,054.05 : x
  2. Step 2: Convert to fraction form
    1,717.61/2,369.49 = 1,054.05/x
  3. Step 3: Cross multiply
    1,717.61x = 2,369.49 × 1,054.05
  4. Step 4: Simplify right side
    1,717.61x = 2,497,548.10
  5. Step 5: Solve for x
    x = 2,497,548.10/1,717.61
  6. Step 6: Final answer
    x = 1,454.09

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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.