Home / 3,490.62-4,818.18-2,235.06

Finding the Fourth Proportional to 3,490.62, 4,818.18 and 2,235.06

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Solution

The fourth proportional to 3,490.62, 4,818.18 and 2,235.06 is: 3,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.62 : 4,818.18 = 2,235.06 : x
  2. Step 2: Convert to fraction form
    3,490.62/4,818.18 = 2,235.06/x
  3. Step 3: Cross multiply
    3,490.62x = 4,818.18 × 2,235.06
  4. Step 4: Simplify right side
    3,490.62x = 10,768,899.13
  5. Step 5: Solve for x
    x = 10,768,899.13/3,490.62
  6. Step 6: Final answer
    x = 3,085.10

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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.