Home / 2,770.50-4,155.75-1,615.44

Finding the Fourth Proportional to 2,770.50, 4,155.75 and 1,615.44

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Solution

The fourth proportional to 2,770.50, 4,155.75 and 1,615.44 is: 2,423.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.50 : 4,155.75 = 1,615.44 : x
  2. Step 2: Convert to fraction form
    2,770.50/4,155.75 = 1,615.44/x
  3. Step 3: Cross multiply
    2,770.50x = 4,155.75 × 1,615.44
  4. Step 4: Simplify right side
    2,770.50x = 6,713,356.70
  5. Step 5: Solve for x
    x = 6,713,356.70/2,770.50
  6. Step 6: Final answer
    x = 2,423.16

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1.5x scale

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.