Home / 1,759.48-2,623.61-1,690.24

Finding the Fourth Proportional to 1,759.48, 2,623.61 and 1,690.24

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Solution

The fourth proportional to 1,759.48, 2,623.61 and 1,690.24 is: 2,520.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.48 : 2,623.61 = 1,690.24 : x
  2. Step 2: Convert to fraction form
    1,759.48/2,623.61 = 1,690.24/x
  3. Step 3: Cross multiply
    1,759.48x = 2,623.61 × 1,690.24
  4. Step 4: Simplify right side
    1,759.48x = 4,434,530.57
  5. Step 5: Solve for x
    x = 4,434,530.57/1,759.48
  6. Step 6: Final answer
    x = 2,520.36

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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.