Home / 3,490.49-4,816.36-2,074.21

Finding the Fourth Proportional to 3,490.49, 4,816.36 and 2,074.21

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Solution

The fourth proportional to 3,490.49, 4,816.36 and 2,074.21 is: 2,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.49 : 4,816.36 = 2,074.21 : x
  2. Step 2: Convert to fraction form
    3,490.49/4,816.36 = 2,074.21/x
  3. Step 3: Cross multiply
    3,490.49x = 4,816.36 × 2,074.21
  4. Step 4: Simplify right side
    3,490.49x = 9,990,132.63
  5. Step 5: Solve for x
    x = 9,990,132.63/3,490.49
  6. Step 6: Final answer
    x = 2,862.10

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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.