Home / 3,570.08-4,926.56-1,976.77

Finding the Fourth Proportional to 3,570.08, 4,926.56 and 1,976.77

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Solution

The fourth proportional to 3,570.08, 4,926.56 and 1,976.77 is: 2,727.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.08 : 4,926.56 = 1,976.77 : x
  2. Step 2: Convert to fraction form
    3,570.08/4,926.56 = 1,976.77/x
  3. Step 3: Cross multiply
    3,570.08x = 4,926.56 × 1,976.77
  4. Step 4: Simplify right side
    3,570.08x = 9,738,672.29
  5. Step 5: Solve for x
    x = 9,738,672.29/3,570.08
  6. Step 6: Final answer
    x = 2,727.86

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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.