Home / 2,890.70-4,334.68-1,502.66

Finding the Fourth Proportional to 2,890.70, 4,334.68 and 1,502.66

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Solution

The fourth proportional to 2,890.70, 4,334.68 and 1,502.66 is: 2,253.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.70 : 4,334.68 = 1,502.66 : x
  2. Step 2: Convert to fraction form
    2,890.70/4,334.68 = 1,502.66/x
  3. Step 3: Cross multiply
    2,890.70x = 4,334.68 × 1,502.66
  4. Step 4: Simplify right side
    2,890.70x = 6,513,550.25
  5. Step 5: Solve for x
    x = 6,513,550.25/2,890.70
  6. Step 6: Final answer
    x = 2,253.28

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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.