Home / 2,886.08-4,329.66-1,242.32

Finding the Fourth Proportional to 2,886.08, 4,329.66 and 1,242.32

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Solution

The fourth proportional to 2,886.08, 4,329.66 and 1,242.32 is: 1,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.08 : 4,329.66 = 1,242.32 : x
  2. Step 2: Convert to fraction form
    2,886.08/4,329.66 = 1,242.32/x
  3. Step 3: Cross multiply
    2,886.08x = 4,329.66 × 1,242.32
  4. Step 4: Simplify right side
    2,886.08x = 5,378,823.21
  5. Step 5: Solve for x
    x = 5,378,823.21/2,886.08
  6. Step 6: Final answer
    x = 1,863.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.