Home / 2,913.85-4,371.36-1,064.80

Finding the Fourth Proportional to 2,913.85, 4,371.36 and 1,064.80

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Solution

The fourth proportional to 2,913.85, 4,371.36 and 1,064.80 is: 1,597.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.85 : 4,371.36 = 1,064.80 : x
  2. Step 2: Convert to fraction form
    2,913.85/4,371.36 = 1,064.80/x
  3. Step 3: Cross multiply
    2,913.85x = 4,371.36 × 1,064.80
  4. Step 4: Simplify right side
    2,913.85x = 4,654,624.13
  5. Step 5: Solve for x
    x = 4,654,624.13/2,913.85
  6. Step 6: Final answer
    x = 1,597.41

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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.