Home / 1,660.04-2,290.11-1,070.36

Finding the Fourth Proportional to 1,660.04, 2,290.11 and 1,070.36

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Solution

The fourth proportional to 1,660.04, 2,290.11 and 1,070.36 is: 1,476.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.04 : 2,290.11 = 1,070.36 : x
  2. Step 2: Convert to fraction form
    1,660.04/2,290.11 = 1,070.36/x
  3. Step 3: Cross multiply
    1,660.04x = 2,290.11 × 1,070.36
  4. Step 4: Simplify right side
    1,660.04x = 2,451,242.14
  5. Step 5: Solve for x
    x = 2,451,242.14/1,660.04
  6. Step 6: Final answer
    x = 1,476.62

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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.