Home / 2,570.80-3,858.78-1,737.76

Finding the Fourth Proportional to 2,570.80, 3,858.78 and 1,737.76

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Solution

The fourth proportional to 2,570.80, 3,858.78 and 1,737.76 is: 2,608.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570.80 : 3,858.78 = 1,737.76 : x
  2. Step 2: Convert to fraction form
    2,570.80/3,858.78 = 1,737.76/x
  3. Step 3: Cross multiply
    2,570.80x = 3,858.78 × 1,737.76
  4. Step 4: Simplify right side
    2,570.80x = 6,705,633.53
  5. Step 5: Solve for x
    x = 6,705,633.53/2,570.80
  6. Step 6: Final answer
    x = 2,608.38

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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.