Home / 3,490.80-4,817.16-2,230.08

Finding the Fourth Proportional to 3,490.80, 4,817.16 and 2,230.08

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Solution

The fourth proportional to 3,490.80, 4,817.16 and 2,230.08 is: 3,077.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.80 : 4,817.16 = 2,230.08 : x
  2. Step 2: Convert to fraction form
    3,490.80/4,817.16 = 2,230.08/x
  3. Step 3: Cross multiply
    3,490.80x = 4,817.16 × 2,230.08
  4. Step 4: Simplify right side
    3,490.80x = 10,742,652.17
  5. Step 5: Solve for x
    x = 10,742,652.17/3,490.80
  6. Step 6: Final answer
    x = 3,077.42

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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.