Home / 2,130.42-3,195.27-570.60

Finding the Fourth Proportional to 2,130.42, 3,195.27 and 570.60

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Solution

The fourth proportional to 2,130.42, 3,195.27 and 570.60 is: 855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130.42 : 3,195.27 = 570.60 : x
  2. Step 2: Convert to fraction form
    2,130.42/3,195.27 = 570.60/x
  3. Step 3: Cross multiply
    2,130.42x = 3,195.27 × 570.60
  4. Step 4: Simplify right side
    2,130.42x = 1,823,221.06
  5. Step 5: Solve for x
    x = 1,823,221.06/2,130.42
  6. Step 6: Final answer
    x = 855.80

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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.