Home / 1,656.27-2,285.61-910.20

Finding the Fourth Proportional to 1,656.27, 2,285.61 and 910.20

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Solution

The fourth proportional to 1,656.27, 2,285.61 and 910.20 is: 1,256.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.27 : 2,285.61 = 910.20 : x
  2. Step 2: Convert to fraction form
    1,656.27/2,285.61 = 910.20/x
  3. Step 3: Cross multiply
    1,656.27x = 2,285.61 × 910.20
  4. Step 4: Simplify right side
    1,656.27x = 2,080,362.22
  5. Step 5: Solve for x
    x = 2,080,362.22/1,656.27
  6. Step 6: Final answer
    x = 1,256.05

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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.