Home / 3,845.50-5,768.40-1,652.71

Finding the Fourth Proportional to 3,845.50, 5,768.40 and 1,652.71

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Solution

The fourth proportional to 3,845.50, 5,768.40 and 1,652.71 is: 2,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.50 : 5,768.40 = 1,652.71 : x
  2. Step 2: Convert to fraction form
    3,845.50/5,768.40 = 1,652.71/x
  3. Step 3: Cross multiply
    3,845.50x = 5,768.40 × 1,652.71
  4. Step 4: Simplify right side
    3,845.50x = 9,533,492.36
  5. Step 5: Solve for x
    x = 9,533,492.36/3,845.50
  6. Step 6: Final answer
    x = 2,479.13

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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.