Home / 3,250.72-4,875.94-1,690.17

Finding the Fourth Proportional to 3,250.72, 4,875.94 and 1,690.17

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Solution

The fourth proportional to 3,250.72, 4,875.94 and 1,690.17 is: 2,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.72 : 4,875.94 = 1,690.17 : x
  2. Step 2: Convert to fraction form
    3,250.72/4,875.94 = 1,690.17/x
  3. Step 3: Cross multiply
    3,250.72x = 4,875.94 × 1,690.17
  4. Step 4: Simplify right side
    3,250.72x = 8,241,167.51
  5. Step 5: Solve for x
    x = 8,241,167.51/3,250.72
  6. Step 6: Final answer
    x = 2,535.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.