Home / 1,869.91-2,580.06-1,073.19

Finding the Fourth Proportional to 1,869.91, 2,580.06 and 1,073.19

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Solution

The fourth proportional to 1,869.91, 2,580.06 and 1,073.19 is: 1,480.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.91 : 2,580.06 = 1,073.19 : x
  2. Step 2: Convert to fraction form
    1,869.91/2,580.06 = 1,073.19/x
  3. Step 3: Cross multiply
    1,869.91x = 2,580.06 × 1,073.19
  4. Step 4: Simplify right side
    1,869.91x = 2,768,881.69
  5. Step 5: Solve for x
    x = 2,768,881.69/1,869.91
  6. Step 6: Final answer
    x = 1,480.76

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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.