Home / 3,570.42-4,927.18-1,998.50

Finding the Fourth Proportional to 3,570.42, 4,927.18 and 1,998.50

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Solution

The fourth proportional to 3,570.42, 4,927.18 and 1,998.50 is: 2,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.42 : 4,927.18 = 1,998.50 : x
  2. Step 2: Convert to fraction form
    3,570.42/4,927.18 = 1,998.50/x
  3. Step 3: Cross multiply
    3,570.42x = 4,927.18 × 1,998.50
  4. Step 4: Simplify right side
    3,570.42x = 9,846,969.23
  5. Step 5: Solve for x
    x = 9,846,969.23/3,570.42
  6. Step 6: Final answer
    x = 2,757.93

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Double scale
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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.