Home / 2,490.36-3,436.68-1,482.12

Finding the Fourth Proportional to 2,490.36, 3,436.68 and 1,482.12

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Solution

The fourth proportional to 2,490.36, 3,436.68 and 1,482.12 is: 2,045.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.36 : 3,436.68 = 1,482.12 : x
  2. Step 2: Convert to fraction form
    2,490.36/3,436.68 = 1,482.12/x
  3. Step 3: Cross multiply
    2,490.36x = 3,436.68 × 1,482.12
  4. Step 4: Simplify right side
    2,490.36x = 5,093,572.16
  5. Step 5: Solve for x
    x = 5,093,572.16/2,490.36
  6. Step 6: Final answer
    x = 2,045.32

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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.