Home / 3,560.44-4,913.58-1,988.50

Finding the Fourth Proportional to 3,560.44, 4,913.58 and 1,988.50

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Solution

The fourth proportional to 3,560.44, 4,913.58 and 1,988.50 is: 2,744.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.44 : 4,913.58 = 1,988.50 : x
  2. Step 2: Convert to fraction form
    3,560.44/4,913.58 = 1,988.50/x
  3. Step 3: Cross multiply
    3,560.44x = 4,913.58 × 1,988.50
  4. Step 4: Simplify right side
    3,560.44x = 9,770,653.83
  5. Step 5: Solve for x
    x = 9,770,653.83/3,560.44
  6. Step 6: Final answer
    x = 2,744.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.