Home / 1,624.87-2,449.18-1,486.36

Finding the Fourth Proportional to 1,624.87, 2,449.18 and 1,486.36

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Solution

The fourth proportional to 1,624.87, 2,449.18 and 1,486.36 is: 2,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.87 : 2,449.18 = 1,486.36 : x
  2. Step 2: Convert to fraction form
    1,624.87/2,449.18 = 1,486.36/x
  3. Step 3: Cross multiply
    1,624.87x = 2,449.18 × 1,486.36
  4. Step 4: Simplify right side
    1,624.87x = 3,640,363.18
  5. Step 5: Solve for x
    x = 3,640,363.18/1,624.87
  6. Step 6: Final answer
    x = 2,240.40

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.