Home / 2,490.08-3,435.68-1,604.82

Finding the Fourth Proportional to 2,490.08, 3,435.68 and 1,604.82

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Solution

The fourth proportional to 2,490.08, 3,435.68 and 1,604.82 is: 2,214.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.08 : 3,435.68 = 1,604.82 : x
  2. Step 2: Convert to fraction form
    2,490.08/3,435.68 = 1,604.82/x
  3. Step 3: Cross multiply
    2,490.08x = 3,435.68 × 1,604.82
  4. Step 4: Simplify right side
    2,490.08x = 5,513,639.95
  5. Step 5: Solve for x
    x = 5,513,639.95/2,490.08
  6. Step 6: Final answer
    x = 2,214.25

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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.