Home / 2,316.29-3,196-1,384.25

Finding the Fourth Proportional to 2,316.29, 3,196 and 1,384.25

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Solution

The fourth proportional to 2,316.29, 3,196 and 1,384.25 is: 1,909.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.29 : 3,196 = 1,384.25 : x
  2. Step 2: Convert to fraction form
    2,316.29/3,196 = 1,384.25/x
  3. Step 3: Cross multiply
    2,316.29x = 3,196 × 1,384.25
  4. Step 4: Simplify right side
    2,316.29x = 4,424,063
  5. Step 5: Solve for x
    x = 4,424,063/2,316.29
  6. Step 6: Final answer
    x = 1,909.98

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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.