Home / 2,415.69-3,624.40-1,490.17

Finding the Fourth Proportional to 2,415.69, 3,624.40 and 1,490.17

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Solution

The fourth proportional to 2,415.69, 3,624.40 and 1,490.17 is: 2,235.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.69 : 3,624.40 = 1,490.17 : x
  2. Step 2: Convert to fraction form
    2,415.69/3,624.40 = 1,490.17/x
  3. Step 3: Cross multiply
    2,415.69x = 3,624.40 × 1,490.17
  4. Step 4: Simplify right side
    2,415.69x = 5,400,982.99
  5. Step 5: Solve for x
    x = 5,400,982.99/2,415.69
  6. Step 6: Final answer
    x = 2,235.79

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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.