Home / 1,850.15-2,555.70-1,479.74

Finding the Fourth Proportional to 1,850.15, 2,555.70 and 1,479.74

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Solution

The fourth proportional to 1,850.15, 2,555.70 and 1,479.74 is: 2,044.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.15 : 2,555.70 = 1,479.74 : x
  2. Step 2: Convert to fraction form
    1,850.15/2,555.70 = 1,479.74/x
  3. Step 3: Cross multiply
    1,850.15x = 2,555.70 × 1,479.74
  4. Step 4: Simplify right side
    1,850.15x = 3,781,771.52
  5. Step 5: Solve for x
    x = 3,781,771.52/1,850.15
  6. Step 6: Final answer
    x = 2,044.04

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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.