Home / 3,181.14-4,386.95-2,435.13

Finding the Fourth Proportional to 3,181.14, 4,386.95 and 2,435.13

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Solution

The fourth proportional to 3,181.14, 4,386.95 and 2,435.13 is: 3,358.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.14 : 4,386.95 = 2,435.13 : x
  2. Step 2: Convert to fraction form
    3,181.14/4,386.95 = 2,435.13/x
  3. Step 3: Cross multiply
    3,181.14x = 4,386.95 × 2,435.13
  4. Step 4: Simplify right side
    3,181.14x = 10,682,781.38
  5. Step 5: Solve for x
    x = 10,682,781.38/3,181.14
  6. Step 6: Final answer
    x = 3,358.16

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1.5x scale

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.