Home / 1,871.36-2,582.72-1,043.52

Finding the Fourth Proportional to 1,871.36, 2,582.72 and 1,043.52

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Solution

The fourth proportional to 1,871.36, 2,582.72 and 1,043.52 is: 1,440.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.36 : 2,582.72 = 1,043.52 : x
  2. Step 2: Convert to fraction form
    1,871.36/2,582.72 = 1,043.52/x
  3. Step 3: Cross multiply
    1,871.36x = 2,582.72 × 1,043.52
  4. Step 4: Simplify right side
    1,871.36x = 2,695,119.97
  5. Step 5: Solve for x
    x = 2,695,119.97/1,871.36
  6. Step 6: Final answer
    x = 1,440.19

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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.