Home / 2,276.65-3,412.95-890.92

Finding the Fourth Proportional to 2,276.65, 3,412.95 and 890.92

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Solution

The fourth proportional to 2,276.65, 3,412.95 and 890.92 is: 1,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.65 : 3,412.95 = 890.92 : x
  2. Step 2: Convert to fraction form
    2,276.65/3,412.95 = 890.92/x
  3. Step 3: Cross multiply
    2,276.65x = 3,412.95 × 890.92
  4. Step 4: Simplify right side
    2,276.65x = 3,040,665.41
  5. Step 5: Solve for x
    x = 3,040,665.41/2,276.65
  6. Step 6: Final answer
    x = 1,335.59

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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.