Home / 2,817.60-4,222.29-1,585.35

Finding the Fourth Proportional to 2,817.60, 4,222.29 and 1,585.35

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Solution

The fourth proportional to 2,817.60, 4,222.29 and 1,585.35 is: 2,375.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.60 : 4,222.29 = 1,585.35 : x
  2. Step 2: Convert to fraction form
    2,817.60/4,222.29 = 1,585.35/x
  3. Step 3: Cross multiply
    2,817.60x = 4,222.29 × 1,585.35
  4. Step 4: Simplify right side
    2,817.60x = 6,693,807.45
  5. Step 5: Solve for x
    x = 6,693,807.45/2,817.60
  6. Step 6: Final answer
    x = 2,375.71

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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.