Home / 2,176.02-3,261.30-942.08

Finding the Fourth Proportional to 2,176.02, 3,261.30 and 942.08

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Solution

The fourth proportional to 2,176.02, 3,261.30 and 942.08 is: 1,411.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.02 : 3,261.30 = 942.08 : x
  2. Step 2: Convert to fraction form
    2,176.02/3,261.30 = 942.08/x
  3. Step 3: Cross multiply
    2,176.02x = 3,261.30 × 942.08
  4. Step 4: Simplify right side
    2,176.02x = 3,072,405.50
  5. Step 5: Solve for x
    x = 3,072,405.50/2,176.02
  6. Step 6: Final answer
    x = 1,411.94

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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.