Home / 2,057.36-2,837.40-1,358

Finding the Fourth Proportional to 2,057.36, 2,837.40 and 1,358

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Solution

The fourth proportional to 2,057.36, 2,837.40 and 1,358 is: 1,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.36 : 2,837.40 = 1,358 : x
  2. Step 2: Convert to fraction form
    2,057.36/2,837.40 = 1,358/x
  3. Step 3: Cross multiply
    2,057.36x = 2,837.40 × 1,358
  4. Step 4: Simplify right side
    2,057.36x = 3,853,189.20
  5. Step 5: Solve for x
    x = 3,853,189.20/2,057.36
  6. Step 6: Final answer
    x = 1,872.88

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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.