Home / 1,806.04-2,490.99-1,142.25

Finding the Fourth Proportional to 1,806.04, 2,490.99 and 1,142.25

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Solution

The fourth proportional to 1,806.04, 2,490.99 and 1,142.25 is: 1,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.04 : 2,490.99 = 1,142.25 : x
  2. Step 2: Convert to fraction form
    1,806.04/2,490.99 = 1,142.25/x
  3. Step 3: Cross multiply
    1,806.04x = 2,490.99 × 1,142.25
  4. Step 4: Simplify right side
    1,806.04x = 2,845,326.13
  5. Step 5: Solve for x
    x = 2,845,326.13/1,806.04
  6. Step 6: Final answer
    x = 1,575.45

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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.