Home / 1,717.54-2,576.58-621.97

Finding the Fourth Proportional to 1,717.54, 2,576.58 and 621.97

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Solution

The fourth proportional to 1,717.54, 2,576.58 and 621.97 is: 933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.54 : 2,576.58 = 621.97 : x
  2. Step 2: Convert to fraction form
    1,717.54/2,576.58 = 621.97/x
  3. Step 3: Cross multiply
    1,717.54x = 2,576.58 × 621.97
  4. Step 4: Simplify right side
    1,717.54x = 1,602,555.46
  5. Step 5: Solve for x
    x = 1,602,555.46/1,717.54
  6. Step 6: Final answer
    x = 933.05

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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.