Home / 2,316-3,196.16-1,268.13

Finding the Fourth Proportional to 2,316, 3,196.16 and 1,268.13

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Solution

The fourth proportional to 2,316, 3,196.16 and 1,268.13 is: 1,750.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316 : 3,196.16 = 1,268.13 : x
  2. Step 2: Convert to fraction form
    2,316/3,196.16 = 1,268.13/x
  3. Step 3: Cross multiply
    2,316x = 3,196.16 × 1,268.13
  4. Step 4: Simplify right side
    2,316x = 4,053,140.04
  5. Step 5: Solve for x
    x = 4,053,140.04/2,316
  6. Step 6: Final answer
    x = 1,750.06

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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.