Home / 2,946.48-4,066.07-1,620.20

Finding the Fourth Proportional to 2,946.48, 4,066.07 and 1,620.20

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Solution

The fourth proportional to 2,946.48, 4,066.07 and 1,620.20 is: 2,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.48 : 4,066.07 = 1,620.20 : x
  2. Step 2: Convert to fraction form
    2,946.48/4,066.07 = 1,620.20/x
  3. Step 3: Cross multiply
    2,946.48x = 4,066.07 × 1,620.20
  4. Step 4: Simplify right side
    2,946.48x = 6,587,818.18
  5. Step 5: Solve for x
    x = 6,587,818.18/2,946.48
  6. Step 6: Final answer
    x = 2,235.83

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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.