Home / 3,707.28-5,561.64-1,977.84

Finding the Fourth Proportional to 3,707.28, 5,561.64 and 1,977.84

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Solution

The fourth proportional to 3,707.28, 5,561.64 and 1,977.84 is: 2,967.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.28 : 5,561.64 = 1,977.84 : x
  2. Step 2: Convert to fraction form
    3,707.28/5,561.64 = 1,977.84/x
  3. Step 3: Cross multiply
    3,707.28x = 5,561.64 × 1,977.84
  4. Step 4: Simplify right side
    3,707.28x = 11,000,034.06
  5. Step 5: Solve for x
    x = 11,000,034.06/3,707.28
  6. Step 6: Final answer
    x = 2,967.14

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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.