Home / 2,946.62-4,066.28-1,620.30

Finding the Fourth Proportional to 2,946.62, 4,066.28 and 1,620.30

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Solution

The fourth proportional to 2,946.62, 4,066.28 and 1,620.30 is: 2,235.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.62 : 4,066.28 = 1,620.30 : x
  2. Step 2: Convert to fraction form
    2,946.62/4,066.28 = 1,620.30/x
  3. Step 3: Cross multiply
    2,946.62x = 4,066.28 × 1,620.30
  4. Step 4: Simplify right side
    2,946.62x = 6,588,606.71
  5. Step 5: Solve for x
    x = 6,588,606.71/2,946.62
  6. Step 6: Final answer
    x = 2,235.99

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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.