Home / 3,486.42-5,225.58-1,293.75

Finding the Fourth Proportional to 3,486.42, 5,225.58 and 1,293.75

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Solution

The fourth proportional to 3,486.42, 5,225.58 and 1,293.75 is: 1,939.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.42 : 5,225.58 = 1,293.75 : x
  2. Step 2: Convert to fraction form
    3,486.42/5,225.58 = 1,293.75/x
  3. Step 3: Cross multiply
    3,486.42x = 5,225.58 × 1,293.75
  4. Step 4: Simplify right side
    3,486.42x = 6,760,594.13
  5. Step 5: Solve for x
    x = 6,760,594.13/3,486.42
  6. Step 6: Final answer
    x = 1,939.12

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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.