Home / 3,994.40-5,988.77-1,527.14

Finding the Fourth Proportional to 3,994.40, 5,988.77 and 1,527.14

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Solution

The fourth proportional to 3,994.40, 5,988.77 and 1,527.14 is: 2,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.40 : 5,988.77 = 1,527.14 : x
  2. Step 2: Convert to fraction form
    3,994.40/5,988.77 = 1,527.14/x
  3. Step 3: Cross multiply
    3,994.40x = 5,988.77 × 1,527.14
  4. Step 4: Simplify right side
    3,994.40x = 9,145,690.22
  5. Step 5: Solve for x
    x = 9,145,690.22/3,994.40
  6. Step 6: Final answer
    x = 2,289.63

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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.