Home / 2,529.09-3,490.59-1,902.75

Finding the Fourth Proportional to 2,529.09, 3,490.59 and 1,902.75

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Solution

The fourth proportional to 2,529.09, 3,490.59 and 1,902.75 is: 2,626.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.09 : 3,490.59 = 1,902.75 : x
  2. Step 2: Convert to fraction form
    2,529.09/3,490.59 = 1,902.75/x
  3. Step 3: Cross multiply
    2,529.09x = 3,490.59 × 1,902.75
  4. Step 4: Simplify right side
    2,529.09x = 6,641,720.12
  5. Step 5: Solve for x
    x = 6,641,720.12/2,529.09
  6. Step 6: Final answer
    x = 2,626.13

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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.