Home / 2,146.23-3,220.97-1,570.59

Finding the Fourth Proportional to 2,146.23, 3,220.97 and 1,570.59

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Solution

The fourth proportional to 2,146.23, 3,220.97 and 1,570.59 is: 2,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.23 : 3,220.97 = 1,570.59 : x
  2. Step 2: Convert to fraction form
    2,146.23/3,220.97 = 1,570.59/x
  3. Step 3: Cross multiply
    2,146.23x = 3,220.97 × 1,570.59
  4. Step 4: Simplify right side
    2,146.23x = 5,058,815.42
  5. Step 5: Solve for x
    x = 5,058,815.42/2,146.23
  6. Step 6: Final answer
    x = 2,357.07

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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.