Home / 4,153.08-6,231.30-1,688.10

Finding the Fourth Proportional to 4,153.08, 6,231.30 and 1,688.10

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Solution

The fourth proportional to 4,153.08, 6,231.30 and 1,688.10 is: 2,532.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,153.08 : 6,231.30 = 1,688.10 : x
  2. Step 2: Convert to fraction form
    4,153.08/6,231.30 = 1,688.10/x
  3. Step 3: Cross multiply
    4,153.08x = 6,231.30 × 1,688.10
  4. Step 4: Simplify right side
    4,153.08x = 10,519,057.53
  5. Step 5: Solve for x
    x = 10,519,057.53/4,153.08
  6. Step 6: Final answer
    x = 2,532.83

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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.