Home / 1,891.34-2,837.10-1,013.48

Finding the Fourth Proportional to 1,891.34, 2,837.10 and 1,013.48

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Solution

The fourth proportional to 1,891.34, 2,837.10 and 1,013.48 is: 1,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.34 : 2,837.10 = 1,013.48 : x
  2. Step 2: Convert to fraction form
    1,891.34/2,837.10 = 1,013.48/x
  3. Step 3: Cross multiply
    1,891.34x = 2,837.10 × 1,013.48
  4. Step 4: Simplify right side
    1,891.34x = 2,875,344.11
  5. Step 5: Solve for x
    x = 2,875,344.11/1,891.34
  6. Step 6: Final answer
    x = 1,520.27

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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.