Home / 2,570.20-3,845.70-1,706.20

Finding the Fourth Proportional to 2,570.20, 3,845.70 and 1,706.20

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Solution

The fourth proportional to 2,570.20, 3,845.70 and 1,706.20 is: 2,552.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570.20 : 3,845.70 = 1,706.20 : x
  2. Step 2: Convert to fraction form
    2,570.20/3,845.70 = 1,706.20/x
  3. Step 3: Cross multiply
    2,570.20x = 3,845.70 × 1,706.20
  4. Step 4: Simplify right side
    2,570.20x = 6,561,533.34
  5. Step 5: Solve for x
    x = 6,561,533.34/2,570.20
  6. Step 6: Final answer
    x = 2,552.93

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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.