Home / 3,060.30-4,219.50-2,587.34

Finding the Fourth Proportional to 3,060.30, 4,219.50 and 2,587.34

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Solution

The fourth proportional to 3,060.30, 4,219.50 and 2,587.34 is: 3,567.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.30 : 4,219.50 = 2,587.34 : x
  2. Step 2: Convert to fraction form
    3,060.30/4,219.50 = 2,587.34/x
  3. Step 3: Cross multiply
    3,060.30x = 4,219.50 × 2,587.34
  4. Step 4: Simplify right side
    3,060.30x = 10,917,281.13
  5. Step 5: Solve for x
    x = 10,917,281.13/3,060.30
  6. Step 6: Final answer
    x = 3,567.39

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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.