Home / 1,656.36-2,285.43-1,066.80

Finding the Fourth Proportional to 1,656.36, 2,285.43 and 1,066.80

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Solution

The fourth proportional to 1,656.36, 2,285.43 and 1,066.80 is: 1,471.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.36 : 2,285.43 = 1,066.80 : x
  2. Step 2: Convert to fraction form
    1,656.36/2,285.43 = 1,066.80/x
  3. Step 3: Cross multiply
    1,656.36x = 2,285.43 × 1,066.80
  4. Step 4: Simplify right side
    1,656.36x = 2,438,096.72
  5. Step 5: Solve for x
    x = 2,438,096.72/1,656.36
  6. Step 6: Final answer
    x = 1,471.96

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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.