Home / 2,727.04-4,088.32-1,189.12

Finding the Fourth Proportional to 2,727.04, 4,088.32 and 1,189.12

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Solution

The fourth proportional to 2,727.04, 4,088.32 and 1,189.12 is: 1,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.04 : 4,088.32 = 1,189.12 : x
  2. Step 2: Convert to fraction form
    2,727.04/4,088.32 = 1,189.12/x
  3. Step 3: Cross multiply
    2,727.04x = 4,088.32 × 1,189.12
  4. Step 4: Simplify right side
    2,727.04x = 4,861,503.08
  5. Step 5: Solve for x
    x = 4,861,503.08/2,727.04
  6. Step 6: Final answer
    x = 1,782.70

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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.