Home / 2,946.88-4,066.65-1,620.58

Finding the Fourth Proportional to 2,946.88, 4,066.65 and 1,620.58

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Solution

The fourth proportional to 2,946.88, 4,066.65 and 1,620.58 is: 2,236.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.88 : 4,066.65 = 1,620.58 : x
  2. Step 2: Convert to fraction form
    2,946.88/4,066.65 = 1,620.58/x
  3. Step 3: Cross multiply
    2,946.88x = 4,066.65 × 1,620.58
  4. Step 4: Simplify right side
    2,946.88x = 6,590,320.50
  5. Step 5: Solve for x
    x = 6,590,320.50/2,946.88
  6. Step 6: Final answer
    x = 2,236.37

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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.