Home / 1,077.08-1,486.49-605.10

Finding the Fourth Proportional to 1,077.08, 1,486.49 and 605.10

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Solution

The fourth proportional to 1,077.08, 1,486.49 and 605.10 is: 835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077.08 : 1,486.49 = 605.10 : x
  2. Step 2: Convert to fraction form
    1,077.08/1,486.49 = 605.10/x
  3. Step 3: Cross multiply
    1,077.08x = 1,486.49 × 605.10
  4. Step 4: Simplify right side
    1,077.08x = 899,475.10
  5. Step 5: Solve for x
    x = 899,475.10/1,077.08
  6. Step 6: Final answer
    x = 835.11

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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.