Home / 1,581.04-2,382.10-1,427.14

Finding the Fourth Proportional to 1,581.04, 2,382.10 and 1,427.14

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Solution

The fourth proportional to 1,581.04, 2,382.10 and 1,427.14 is: 2,150.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581.04 : 2,382.10 = 1,427.14 : x
  2. Step 2: Convert to fraction form
    1,581.04/2,382.10 = 1,427.14/x
  3. Step 3: Cross multiply
    1,581.04x = 2,382.10 × 1,427.14
  4. Step 4: Simplify right side
    1,581.04x = 3,399,590.19
  5. Step 5: Solve for x
    x = 3,399,590.19/1,581.04
  6. Step 6: Final answer
    x = 2,150.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.