Home / 2,303.14-3,454.93-742.75

Finding the Fourth Proportional to 2,303.14, 3,454.93 and 742.75

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Solution

The fourth proportional to 2,303.14, 3,454.93 and 742.75 is: 1,114.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.14 : 3,454.93 = 742.75 : x
  2. Step 2: Convert to fraction form
    2,303.14/3,454.93 = 742.75/x
  3. Step 3: Cross multiply
    2,303.14x = 3,454.93 × 742.75
  4. Step 4: Simplify right side
    2,303.14x = 2,566,149.26
  5. Step 5: Solve for x
    x = 2,566,149.26/2,303.14
  6. Step 6: Final answer
    x = 1,114.20

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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.