Home / 4,051.66-5,590.50-2,478.64

Finding the Fourth Proportional to 4,051.66, 5,590.50 and 2,478.64

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Solution

The fourth proportional to 4,051.66, 5,590.50 and 2,478.64 is: 3,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,051.66 : 5,590.50 = 2,478.64 : x
  2. Step 2: Convert to fraction form
    4,051.66/5,590.50 = 2,478.64/x
  3. Step 3: Cross multiply
    4,051.66x = 5,590.50 × 2,478.64
  4. Step 4: Simplify right side
    4,051.66x = 13,856,836.92
  5. Step 5: Solve for x
    x = 13,856,836.92/4,051.66
  6. Step 6: Final answer
    x = 3,420.04

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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.