Home / 2,770.30-4,153.53-1,038.46

Finding the Fourth Proportional to 2,770.30, 4,153.53 and 1,038.46

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Solution

The fourth proportional to 2,770.30, 4,153.53 and 1,038.46 is: 1,556.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.30 : 4,153.53 = 1,038.46 : x
  2. Step 2: Convert to fraction form
    2,770.30/4,153.53 = 1,038.46/x
  3. Step 3: Cross multiply
    2,770.30x = 4,153.53 × 1,038.46
  4. Step 4: Simplify right side
    2,770.30x = 4,313,274.76
  5. Step 5: Solve for x
    x = 4,313,274.76/2,770.30
  6. Step 6: Final answer
    x = 1,556.97

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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.