Home / 2,890.32-4,327.12-1,700.76

Finding the Fourth Proportional to 2,890.32, 4,327.12 and 1,700.76

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Solution

The fourth proportional to 2,890.32, 4,327.12 and 1,700.76 is: 2,546.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.32 : 4,327.12 = 1,700.76 : x
  2. Step 2: Convert to fraction form
    2,890.32/4,327.12 = 1,700.76/x
  3. Step 3: Cross multiply
    2,890.32x = 4,327.12 × 1,700.76
  4. Step 4: Simplify right side
    2,890.32x = 7,359,392.61
  5. Step 5: Solve for x
    x = 7,359,392.61/2,890.32
  6. Step 6: Final answer
    x = 2,546.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.