Home / 1,869.93-2,580.86-1,073.72

Finding the Fourth Proportional to 1,869.93, 2,580.86 and 1,073.72

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Solution

The fourth proportional to 1,869.93, 2,580.86 and 1,073.72 is: 1,481.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.93 : 2,580.86 = 1,073.72 : x
  2. Step 2: Convert to fraction form
    1,869.93/2,580.86 = 1,073.72/x
  3. Step 3: Cross multiply
    1,869.93x = 2,580.86 × 1,073.72
  4. Step 4: Simplify right side
    1,869.93x = 2,771,130.14
  5. Step 5: Solve for x
    x = 2,771,130.14/1,869.93
  6. Step 6: Final answer
    x = 1,481.94

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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.