Home / 2,127.65-3,190.86-895.05

Finding the Fourth Proportional to 2,127.65, 3,190.86 and 895.05

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Solution

The fourth proportional to 2,127.65, 3,190.86 and 895.05 is: 1,342.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.65 : 3,190.86 = 895.05 : x
  2. Step 2: Convert to fraction form
    2,127.65/3,190.86 = 895.05/x
  3. Step 3: Cross multiply
    2,127.65x = 3,190.86 × 895.05
  4. Step 4: Simplify right side
    2,127.65x = 2,855,979.24
  5. Step 5: Solve for x
    x = 2,855,979.24/2,127.65
  6. Step 6: Final answer
    x = 1,342.32

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Similar ratio
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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.