Home / 1,546.41-2,316.91-1,288.07

Finding the Fourth Proportional to 1,546.41, 2,316.91 and 1,288.07

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Solution

The fourth proportional to 1,546.41, 2,316.91 and 1,288.07 is: 1,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.41 : 2,316.91 = 1,288.07 : x
  2. Step 2: Convert to fraction form
    1,546.41/2,316.91 = 1,288.07/x
  3. Step 3: Cross multiply
    1,546.41x = 2,316.91 × 1,288.07
  4. Step 4: Simplify right side
    1,546.41x = 2,984,324.24
  5. Step 5: Solve for x
    x = 2,984,324.24/1,546.41
  6. Step 6: Final answer
    x = 1,929.85

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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.