Home / 1,171.50-1,616.07-1,088.11

Finding the Fourth Proportional to 1,171.50, 1,616.07 and 1,088.11

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Solution

The fourth proportional to 1,171.50, 1,616.07 and 1,088.11 is: 1,501.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171.50 : 1,616.07 = 1,088.11 : x
  2. Step 2: Convert to fraction form
    1,171.50/1,616.07 = 1,088.11/x
  3. Step 3: Cross multiply
    1,171.50x = 1,616.07 × 1,088.11
  4. Step 4: Simplify right side
    1,171.50x = 1,758,461.93
  5. Step 5: Solve for x
    x = 1,758,461.93/1,171.50
  6. Step 6: Final answer
    x = 1,501.03

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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.