Home / 2,492.16-3,436.68-2,139.36

Finding the Fourth Proportional to 2,492.16, 3,436.68 and 2,139.36

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Solution

The fourth proportional to 2,492.16, 3,436.68 and 2,139.36 is: 2,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.16 : 3,436.68 = 2,139.36 : x
  2. Step 2: Convert to fraction form
    2,492.16/3,436.68 = 2,139.36/x
  3. Step 3: Cross multiply
    2,492.16x = 3,436.68 × 2,139.36
  4. Step 4: Simplify right side
    2,492.16x = 7,352,295.72
  5. Step 5: Solve for x
    x = 7,352,295.72/2,492.16
  6. Step 6: Final answer
    x = 2,950.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.