Home / 1,656.16-2,285.40-910.22

Finding the Fourth Proportional to 1,656.16, 2,285.40 and 910.22

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Solution

The fourth proportional to 1,656.16, 2,285.40 and 910.22 is: 1,256.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.16 : 2,285.40 = 910.22 : x
  2. Step 2: Convert to fraction form
    1,656.16/2,285.40 = 910.22/x
  3. Step 3: Cross multiply
    1,656.16x = 2,285.40 × 910.22
  4. Step 4: Simplify right side
    1,656.16x = 2,080,216.79
  5. Step 5: Solve for x
    x = 2,080,216.79/1,656.16
  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.