Home / 1,549.93-2,322.19-1,291.59

Finding the Fourth Proportional to 1,549.93, 2,322.19 and 1,291.59

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Solution

The fourth proportional to 1,549.93, 2,322.19 and 1,291.59 is: 1,935.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.93 : 2,322.19 = 1,291.59 : x
  2. Step 2: Convert to fraction form
    1,549.93/2,322.19 = 1,291.59/x
  3. Step 3: Cross multiply
    1,549.93x = 2,322.19 × 1,291.59
  4. Step 4: Simplify right side
    1,549.93x = 2,999,317.38
  5. Step 5: Solve for x
    x = 2,999,317.38/1,549.93
  6. Step 6: Final answer
    x = 1,935.13

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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.