Home / 3,570.65-4,927.04-1,998.75

Finding the Fourth Proportional to 3,570.65, 4,927.04 and 1,998.75

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Solution

The fourth proportional to 3,570.65, 4,927.04 and 1,998.75 is: 2,758.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.65 : 4,927.04 = 1,998.75 : x
  2. Step 2: Convert to fraction form
    3,570.65/4,927.04 = 1,998.75/x
  3. Step 3: Cross multiply
    3,570.65x = 4,927.04 × 1,998.75
  4. Step 4: Simplify right side
    3,570.65x = 9,847,900.23
  5. Step 5: Solve for x
    x = 9,847,900.23/3,570.65
  6. Step 6: Final answer
    x = 2,758.01

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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.