Home / 1,871.71-2,582.36-1,074.94

Finding the Fourth Proportional to 1,871.71, 2,582.36 and 1,074.94

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Solution

The fourth proportional to 1,871.71, 2,582.36 and 1,074.94 is: 1,483.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.71 : 2,582.36 = 1,074.94 : x
  2. Step 2: Convert to fraction form
    1,871.71/2,582.36 = 1,074.94/x
  3. Step 3: Cross multiply
    1,871.71x = 2,582.36 × 1,074.94
  4. Step 4: Simplify right side
    1,871.71x = 2,775,876.68
  5. Step 5: Solve for x
    x = 2,775,876.68/1,871.71
  6. Step 6: Final answer
    x = 1,483.07

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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.