Home / 2,923.59-4,385.85-1,074.30

Finding the Fourth Proportional to 2,923.59, 4,385.85 and 1,074.30

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Solution

The fourth proportional to 2,923.59, 4,385.85 and 1,074.30 is: 1,611.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.59 : 4,385.85 = 1,074.30 : x
  2. Step 2: Convert to fraction form
    2,923.59/4,385.85 = 1,074.30/x
  3. Step 3: Cross multiply
    2,923.59x = 4,385.85 × 1,074.30
  4. Step 4: Simplify right side
    2,923.59x = 4,711,718.66
  5. Step 5: Solve for x
    x = 4,711,718.66/2,923.59
  6. Step 6: Final answer
    x = 1,611.62

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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.