Home / 2,681.21-3,699.91-1,502.31

Finding the Fourth Proportional to 2,681.21, 3,699.91 and 1,502.31

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Solution

The fourth proportional to 2,681.21, 3,699.91 and 1,502.31 is: 2,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.21 : 3,699.91 = 1,502.31 : x
  2. Step 2: Convert to fraction form
    2,681.21/3,699.91 = 1,502.31/x
  3. Step 3: Cross multiply
    2,681.21x = 3,699.91 × 1,502.31
  4. Step 4: Simplify right side
    2,681.21x = 5,558,427.54
  5. Step 5: Solve for x
    x = 5,558,427.54/2,681.21
  6. Step 6: Final answer
    x = 2,073.10

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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.