Home / 3,492.05-5,240.30-1,643.09

Finding the Fourth Proportional to 3,492.05, 5,240.30 and 1,643.09

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Solution

The fourth proportional to 3,492.05, 5,240.30 and 1,643.09 is: 2,465.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.05 : 5,240.30 = 1,643.09 : x
  2. Step 2: Convert to fraction form
    3,492.05/5,240.30 = 1,643.09/x
  3. Step 3: Cross multiply
    3,492.05x = 5,240.30 × 1,643.09
  4. Step 4: Simplify right side
    3,492.05x = 8,610,250.11
  5. Step 5: Solve for x
    x = 8,610,250.11/3,492.05
  6. Step 6: Final answer
    x = 2,465.68

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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.