Home / 1,360.27-2,040.10-666.24

Finding the Fourth Proportional to 1,360.27, 2,040.10 and 666.24

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Solution

The fourth proportional to 1,360.27, 2,040.10 and 666.24 is: 999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360.27 : 2,040.10 = 666.24 : x
  2. Step 2: Convert to fraction form
    1,360.27/2,040.10 = 666.24/x
  3. Step 3: Cross multiply
    1,360.27x = 2,040.10 × 666.24
  4. Step 4: Simplify right side
    1,360.27x = 1,359,196.22
  5. Step 5: Solve for x
    x = 1,359,196.22/1,360.27
  6. Step 6: Final answer
    x = 999.21

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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.