Home / 2,911.04-4,364.40-1,265.68

Finding the Fourth Proportional to 2,911.04, 4,364.40 and 1,265.68

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Solution

The fourth proportional to 2,911.04, 4,364.40 and 1,265.68 is: 1,897.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.04 : 4,364.40 = 1,265.68 : x
  2. Step 2: Convert to fraction form
    2,911.04/4,364.40 = 1,265.68/x
  3. Step 3: Cross multiply
    2,911.04x = 4,364.40 × 1,265.68
  4. Step 4: Simplify right side
    2,911.04x = 5,523,933.79
  5. Step 5: Solve for x
    x = 5,523,933.79/2,911.04
  6. Step 6: Final answer
    x = 1,897.58

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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.