Home / 1,660.10-2,291.09-1,070.96

Finding the Fourth Proportional to 1,660.10, 2,291.09 and 1,070.96

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Solution

The fourth proportional to 1,660.10, 2,291.09 and 1,070.96 is: 1,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.10 : 2,291.09 = 1,070.96 : x
  2. Step 2: Convert to fraction form
    1,660.10/2,291.09 = 1,070.96/x
  3. Step 3: Cross multiply
    1,660.10x = 2,291.09 × 1,070.96
  4. Step 4: Simplify right side
    1,660.10x = 2,453,648.94
  5. Step 5: Solve for x
    x = 2,453,648.94/1,660.10
  6. Step 6: Final answer
    x = 1,478.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.