Home / 1,175.60-1,619.04-1,150.09

Finding the Fourth Proportional to 1,175.60, 1,619.04 and 1,150.09

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Solution

The fourth proportional to 1,175.60, 1,619.04 and 1,150.09 is: 1,583.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175.60 : 1,619.04 = 1,150.09 : x
  2. Step 2: Convert to fraction form
    1,175.60/1,619.04 = 1,150.09/x
  3. Step 3: Cross multiply
    1,175.60x = 1,619.04 × 1,150.09
  4. Step 4: Simplify right side
    1,175.60x = 1,862,041.71
  5. Step 5: Solve for x
    x = 1,862,041.71/1,175.60
  6. Step 6: Final answer
    x = 1,583.91

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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.