Home / 1,656.14-2,285.52-910.15

Finding the Fourth Proportional to 1,656.14, 2,285.52 and 910.15

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Solution

The fourth proportional to 1,656.14, 2,285.52 and 910.15 is: 1,256.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.14 : 2,285.52 = 910.15 : x
  2. Step 2: Convert to fraction form
    1,656.14/2,285.52 = 910.15/x
  3. Step 3: Cross multiply
    1,656.14x = 2,285.52 × 910.15
  4. Step 4: Simplify right side
    1,656.14x = 2,080,177.44
  5. Step 5: Solve for x
    x = 2,080,177.44/1,656.14
  6. Step 6: Final answer
    x = 1,256.04

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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.