Home / 3,464.34-4,780.36-1,971.85

Finding the Fourth Proportional to 3,464.34, 4,780.36 and 1,971.85

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Solution

The fourth proportional to 3,464.34, 4,780.36 and 1,971.85 is: 2,720.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.34 : 4,780.36 = 1,971.85 : x
  2. Step 2: Convert to fraction form
    3,464.34/4,780.36 = 1,971.85/x
  3. Step 3: Cross multiply
    3,464.34x = 4,780.36 × 1,971.85
  4. Step 4: Simplify right side
    3,464.34x = 9,426,152.87
  5. Step 5: Solve for x
    x = 9,426,152.87/3,464.34
  6. Step 6: Final answer
    x = 2,720.91

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1.5x scale

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.