Home / 2,946.77-4,066.60-1,620.47

Finding the Fourth Proportional to 2,946.77, 4,066.60 and 1,620.47

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Solution

The fourth proportional to 2,946.77, 4,066.60 and 1,620.47 is: 2,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.77 : 4,066.60 = 1,620.47 : x
  2. Step 2: Convert to fraction form
    2,946.77/4,066.60 = 1,620.47/x
  3. Step 3: Cross multiply
    2,946.77x = 4,066.60 × 1,620.47
  4. Step 4: Simplify right side
    2,946.77x = 6,589,803.30
  5. Step 5: Solve for x
    x = 6,589,803.30/2,946.77
  6. Step 6: Final answer
    x = 2,236.28

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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.