Home / 1,869.93-2,580.49-1,030.71

Finding the Fourth Proportional to 1,869.93, 2,580.49 and 1,030.71

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Solution

The fourth proportional to 1,869.93, 2,580.49 and 1,030.71 is: 1,422.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.93 : 2,580.49 = 1,030.71 : x
  2. Step 2: Convert to fraction form
    1,869.93/2,580.49 = 1,030.71/x
  3. Step 3: Cross multiply
    1,869.93x = 2,580.49 × 1,030.71
  4. Step 4: Simplify right side
    1,869.93x = 2,659,736.85
  5. Step 5: Solve for x
    x = 2,659,736.85/1,869.93
  6. Step 6: Final answer
    x = 1,422.37

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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.