Home / 1,681.64-2,519.42-1,095.48

Finding the Fourth Proportional to 1,681.64, 2,519.42 and 1,095.48

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Solution

The fourth proportional to 1,681.64, 2,519.42 and 1,095.48 is: 1,641.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681.64 : 2,519.42 = 1,095.48 : x
  2. Step 2: Convert to fraction form
    1,681.64/2,519.42 = 1,095.48/x
  3. Step 3: Cross multiply
    1,681.64x = 2,519.42 × 1,095.48
  4. Step 4: Simplify right side
    1,681.64x = 2,759,974.22
  5. Step 5: Solve for x
    x = 2,759,974.22/1,681.64
  6. Step 6: Final answer
    x = 1,641.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.