Home / 1,904.85-2,635.89-1,624.65

Finding the Fourth Proportional to 1,904.85, 2,635.89 and 1,624.65

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Solution

The fourth proportional to 1,904.85, 2,635.89 and 1,624.65 is: 2,248.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.85 : 2,635.89 = 1,624.65 : x
  2. Step 2: Convert to fraction form
    1,904.85/2,635.89 = 1,624.65/x
  3. Step 3: Cross multiply
    1,904.85x = 2,635.89 × 1,624.65
  4. Step 4: Simplify right side
    1,904.85x = 4,282,398.69
  5. Step 5: Solve for x
    x = 4,282,398.69/1,904.85
  6. Step 6: Final answer
    x = 2,248.16

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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.