Home / 2,556.24-3,527.93-1,561.30

Finding the Fourth Proportional to 2,556.24, 3,527.93 and 1,561.30

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Solution

The fourth proportional to 2,556.24, 3,527.93 and 1,561.30 is: 2,154.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.24 : 3,527.93 = 1,561.30 : x
  2. Step 2: Convert to fraction form
    2,556.24/3,527.93 = 1,561.30/x
  3. Step 3: Cross multiply
    2,556.24x = 3,527.93 × 1,561.30
  4. Step 4: Simplify right side
    2,556.24x = 5,508,157.11
  5. Step 5: Solve for x
    x = 5,508,157.11/2,556.24
  6. Step 6: Final answer
    x = 2,154.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.