Home / 3,472.08-4,779.72-2,684.64

Finding the Fourth Proportional to 3,472.08, 4,779.72 and 2,684.64

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Solution

The fourth proportional to 3,472.08, 4,779.72 and 2,684.64 is: 3,695.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.08 : 4,779.72 = 2,684.64 : x
  2. Step 2: Convert to fraction form
    3,472.08/4,779.72 = 2,684.64/x
  3. Step 3: Cross multiply
    3,472.08x = 4,779.72 × 2,684.64
  4. Step 4: Simplify right side
    3,472.08x = 12,831,827.50
  5. Step 5: Solve for x
    x = 12,831,827.50/3,472.08
  6. Step 6: Final answer
    x = 3,695.72

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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.