Home / 1,967.49-2,715.02-1,170.87

Finding the Fourth Proportional to 1,967.49, 2,715.02 and 1,170.87

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Solution

The fourth proportional to 1,967.49, 2,715.02 and 1,170.87 is: 1,615.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967.49 : 2,715.02 = 1,170.87 : x
  2. Step 2: Convert to fraction form
    1,967.49/2,715.02 = 1,170.87/x
  3. Step 3: Cross multiply
    1,967.49x = 2,715.02 × 1,170.87
  4. Step 4: Simplify right side
    1,967.49x = 3,178,939.09
  5. Step 5: Solve for x
    x = 3,178,939.09/1,967.49
  6. Step 6: Final answer
    x = 1,615.73

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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.