Home / 3,418.55-5,130.54-1,570.52

Finding the Fourth Proportional to 3,418.55, 5,130.54 and 1,570.52

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Solution

The fourth proportional to 3,418.55, 5,130.54 and 1,570.52 is: 2,357.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.55 : 5,130.54 = 1,570.52 : x
  2. Step 2: Convert to fraction form
    3,418.55/5,130.54 = 1,570.52/x
  3. Step 3: Cross multiply
    3,418.55x = 5,130.54 × 1,570.52
  4. Step 4: Simplify right side
    3,418.55x = 8,057,615.68
  5. Step 5: Solve for x
    x = 8,057,615.68/3,418.55
  6. Step 6: Final answer
    x = 2,357.03

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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.