Home / 2,975.32-4,105.65-1,716.49

Finding the Fourth Proportional to 2,975.32, 4,105.65 and 1,716.49

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Solution

The fourth proportional to 2,975.32, 4,105.65 and 1,716.49 is: 2,368.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.32 : 4,105.65 = 1,716.49 : x
  2. Step 2: Convert to fraction form
    2,975.32/4,105.65 = 1,716.49/x
  3. Step 3: Cross multiply
    2,975.32x = 4,105.65 × 1,716.49
  4. Step 4: Simplify right side
    2,975.32x = 7,047,307.17
  5. Step 5: Solve for x
    x = 7,047,307.17/2,975.32
  6. Step 6: Final answer
    x = 2,368.59

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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.