Home / 1,756.40-2,619.58-1,694.48

Finding the Fourth Proportional to 1,756.40, 2,619.58 and 1,694.48

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Solution

The fourth proportional to 1,756.40, 2,619.58 and 1,694.48 is: 2,527.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.40 : 2,619.58 = 1,694.48 : x
  2. Step 2: Convert to fraction form
    1,756.40/2,619.58 = 1,694.48/x
  3. Step 3: Cross multiply
    1,756.40x = 2,619.58 × 1,694.48
  4. Step 4: Simplify right side
    1,756.40x = 4,438,825.92
  5. Step 5: Solve for x
    x = 4,438,825.92/1,756.40
  6. Step 6: Final answer
    x = 2,527.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.