Home / 3,070.10-4,234.65-2,074.88

Finding the Fourth Proportional to 3,070.10, 4,234.65 and 2,074.88

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Solution

The fourth proportional to 3,070.10, 4,234.65 and 2,074.88 is: 2,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.10 : 4,234.65 = 2,074.88 : x
  2. Step 2: Convert to fraction form
    3,070.10/4,234.65 = 2,074.88/x
  3. Step 3: Cross multiply
    3,070.10x = 4,234.65 × 2,074.88
  4. Step 4: Simplify right side
    3,070.10x = 8,786,393.40
  5. Step 5: Solve for x
    x = 8,786,393.40/3,070.10
  6. Step 6: Final answer
    x = 2,861.92

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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.