Home / 3,462.52-4,779.30-2,118.64

Finding the Fourth Proportional to 3,462.52, 4,779.30 and 2,118.64

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Solution

The fourth proportional to 3,462.52, 4,779.30 and 2,118.64 is: 2,924.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.52 : 4,779.30 = 2,118.64 : x
  2. Step 2: Convert to fraction form
    3,462.52/4,779.30 = 2,118.64/x
  3. Step 3: Cross multiply
    3,462.52x = 4,779.30 × 2,118.64
  4. Step 4: Simplify right side
    3,462.52x = 10,125,616.15
  5. Step 5: Solve for x
    x = 10,125,616.15/3,462.52
  6. Step 6: Final answer
    x = 2,924.35

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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.