Home / 1,717.63-2,369.55-1,363.69

Finding the Fourth Proportional to 1,717.63, 2,369.55 and 1,363.69

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Solution

The fourth proportional to 1,717.63, 2,369.55 and 1,363.69 is: 1,881.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.63 : 2,369.55 = 1,363.69 : x
  2. Step 2: Convert to fraction form
    1,717.63/2,369.55 = 1,363.69/x
  3. Step 3: Cross multiply
    1,717.63x = 2,369.55 × 1,363.69
  4. Step 4: Simplify right side
    1,717.63x = 3,231,331.64
  5. Step 5: Solve for x
    x = 3,231,331.64/1,717.63
  6. Step 6: Final answer
    x = 1,881.27

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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.