Home / 3,464.10-4,779-2,520.45

Finding the Fourth Proportional to 3,464.10, 4,779 and 2,520.45

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Solution

The fourth proportional to 3,464.10, 4,779 and 2,520.45 is: 3,477.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.10 : 4,779 = 2,520.45 : x
  2. Step 2: Convert to fraction form
    3,464.10/4,779 = 2,520.45/x
  3. Step 3: Cross multiply
    3,464.10x = 4,779 × 2,520.45
  4. Step 4: Simplify right side
    3,464.10x = 12,045,230.55
  5. Step 5: Solve for x
    x = 12,045,230.55/3,464.10
  6. Step 6: Final answer
    x = 3,477.16

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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.