Home / 3,435.32-5,153.87-1,587.76

Finding the Fourth Proportional to 3,435.32, 5,153.87 and 1,587.76

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Solution

The fourth proportional to 3,435.32, 5,153.87 and 1,587.76 is: 2,382.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.32 : 5,153.87 = 1,587.76 : x
  2. Step 2: Convert to fraction form
    3,435.32/5,153.87 = 1,587.76/x
  3. Step 3: Cross multiply
    3,435.32x = 5,153.87 × 1,587.76
  4. Step 4: Simplify right side
    3,435.32x = 8,183,099.72
  5. Step 5: Solve for x
    x = 8,183,099.72/3,435.32
  6. Step 6: Final answer
    x = 2,382.05

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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.