Home / 3,436.60-5,152.60-1,585.21

Finding the Fourth Proportional to 3,436.60, 5,152.60 and 1,585.21

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Solution

The fourth proportional to 3,436.60, 5,152.60 and 1,585.21 is: 2,376.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.60 : 5,152.60 = 1,585.21 : x
  2. Step 2: Convert to fraction form
    3,436.60/5,152.60 = 1,585.21/x
  3. Step 3: Cross multiply
    3,436.60x = 5,152.60 × 1,585.21
  4. Step 4: Simplify right side
    3,436.60x = 8,167,953.05
  5. Step 5: Solve for x
    x = 8,167,953.05/3,436.60
  6. Step 6: Final answer
    x = 2,376.75

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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.