Home / 3,519.34-4,829.86-3,187.19

Finding the Fourth Proportional to 3,519.34, 4,829.86 and 3,187.19

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Solution

The fourth proportional to 3,519.34, 4,829.86 and 3,187.19 is: 4,374.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.34 : 4,829.86 = 3,187.19 : x
  2. Step 2: Convert to fraction form
    3,519.34/4,829.86 = 3,187.19/x
  3. Step 3: Cross multiply
    3,519.34x = 4,829.86 × 3,187.19
  4. Step 4: Simplify right side
    3,519.34x = 15,393,681.49
  5. Step 5: Solve for x
    x = 15,393,681.49/3,519.34
  6. Step 6: Final answer
    x = 4,374.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.