Home / 1,721.07-2,576.52-1,134.99

Finding the Fourth Proportional to 1,721.07, 2,576.52 and 1,134.99

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Solution

The fourth proportional to 1,721.07, 2,576.52 and 1,134.99 is: 1,699.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721.07 : 2,576.52 = 1,134.99 : x
  2. Step 2: Convert to fraction form
    1,721.07/2,576.52 = 1,134.99/x
  3. Step 3: Cross multiply
    1,721.07x = 2,576.52 × 1,134.99
  4. Step 4: Simplify right side
    1,721.07x = 2,924,324.43
  5. Step 5: Solve for x
    x = 2,924,324.43/1,721.07
  6. Step 6: Final answer
    x = 1,699.13

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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.