Home / 3,527.03-5,290.80-1,187.02

Finding the Fourth Proportional to 3,527.03, 5,290.80 and 1,187.02

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Solution

The fourth proportional to 3,527.03, 5,290.80 and 1,187.02 is: 1,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.03 : 5,290.80 = 1,187.02 : x
  2. Step 2: Convert to fraction form
    3,527.03/5,290.80 = 1,187.02/x
  3. Step 3: Cross multiply
    3,527.03x = 5,290.80 × 1,187.02
  4. Step 4: Simplify right side
    3,527.03x = 6,280,296.48
  5. Step 5: Solve for x
    x = 6,280,296.48/3,527.03
  6. Step 6: Final answer
    x = 1,780.62

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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.