Home / 1,546.65-2,316.02-1,287.45

Finding the Fourth Proportional to 1,546.65, 2,316.02 and 1,287.45

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Solution

The fourth proportional to 1,546.65, 2,316.02 and 1,287.45 is: 1,927.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.65 : 2,316.02 = 1,287.45 : x
  2. Step 2: Convert to fraction form
    1,546.65/2,316.02 = 1,287.45/x
  3. Step 3: Cross multiply
    1,546.65x = 2,316.02 × 1,287.45
  4. Step 4: Simplify right side
    1,546.65x = 2,981,753.51
  5. Step 5: Solve for x
    x = 2,981,753.51/1,546.65
  6. Step 6: Final answer
    x = 1,927.88

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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.