Home / 2,913.90-4,368.21-1,181.34

Finding the Fourth Proportional to 2,913.90, 4,368.21 and 1,181.34

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Solution

The fourth proportional to 2,913.90, 4,368.21 and 1,181.34 is: 1,770.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.90 : 4,368.21 = 1,181.34 : x
  2. Step 2: Convert to fraction form
    2,913.90/4,368.21 = 1,181.34/x
  3. Step 3: Cross multiply
    2,913.90x = 4,368.21 × 1,181.34
  4. Step 4: Simplify right side
    2,913.90x = 5,160,341.20
  5. Step 5: Solve for x
    x = 5,160,341.20/2,913.90
  6. Step 6: Final answer
    x = 1,770.94

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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.