Home / 2,645.58-3,651.55-1,527.18

Finding the Fourth Proportional to 2,645.58, 3,651.55 and 1,527.18

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Solution

The fourth proportional to 2,645.58, 3,651.55 and 1,527.18 is: 2,107.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.58 : 3,651.55 = 1,527.18 : x
  2. Step 2: Convert to fraction form
    2,645.58/3,651.55 = 1,527.18/x
  3. Step 3: Cross multiply
    2,645.58x = 3,651.55 × 1,527.18
  4. Step 4: Simplify right side
    2,645.58x = 5,576,574.13
  5. Step 5: Solve for x
    x = 5,576,574.13/2,645.58
  6. Step 6: Final answer
    x = 2,107.88

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1.5x scale

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.