Home / 1,891.10-2,607.36-1,576.82

Finding the Fourth Proportional to 1,891.10, 2,607.36 and 1,576.82

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Solution

The fourth proportional to 1,891.10, 2,607.36 and 1,576.82 is: 2,174.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.10 : 2,607.36 = 1,576.82 : x
  2. Step 2: Convert to fraction form
    1,891.10/2,607.36 = 1,576.82/x
  3. Step 3: Cross multiply
    1,891.10x = 2,607.36 × 1,576.82
  4. Step 4: Simplify right side
    1,891.10x = 4,111,337.40
  5. Step 5: Solve for x
    x = 4,111,337.40/1,891.10
  6. Step 6: Final answer
    x = 2,174.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.