Home / 1,871.40-2,802.48-1,176.34

Finding the Fourth Proportional to 1,871.40, 2,802.48 and 1,176.34

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Solution

The fourth proportional to 1,871.40, 2,802.48 and 1,176.34 is: 1,761.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.40 : 2,802.48 = 1,176.34 : x
  2. Step 2: Convert to fraction form
    1,871.40/2,802.48 = 1,176.34/x
  3. Step 3: Cross multiply
    1,871.40x = 2,802.48 × 1,176.34
  4. Step 4: Simplify right side
    1,871.40x = 3,296,676.93
  5. Step 5: Solve for x
    x = 3,296,676.93/1,871.40
  6. Step 6: Final answer
    x = 1,761.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.