Home / 3,287.57-4,937.63-1,903.68

Finding the Fourth Proportional to 3,287.57, 4,937.63 and 1,903.68

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Solution

The fourth proportional to 3,287.57, 4,937.63 and 1,903.68 is: 2,859.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.57 : 4,937.63 = 1,903.68 : x
  2. Step 2: Convert to fraction form
    3,287.57/4,937.63 = 1,903.68/x
  3. Step 3: Cross multiply
    3,287.57x = 4,937.63 × 1,903.68
  4. Step 4: Simplify right side
    3,287.57x = 9,399,657.96
  5. Step 5: Solve for x
    x = 9,399,657.96/3,287.57
  6. Step 6: Final answer
    x = 2,859.16

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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.