Home / 2,946.60-4,066.92-1,768.32

Finding the Fourth Proportional to 2,946.60, 4,066.92 and 1,768.32

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Solution

The fourth proportional to 2,946.60, 4,066.92 and 1,768.32 is: 2,440.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.60 : 4,066.92 = 1,768.32 : x
  2. Step 2: Convert to fraction form
    2,946.60/4,066.92 = 1,768.32/x
  3. Step 3: Cross multiply
    2,946.60x = 4,066.92 × 1,768.32
  4. Step 4: Simplify right side
    2,946.60x = 7,191,615.97
  5. Step 5: Solve for x
    x = 7,191,615.97/2,946.60
  6. Step 6: Final answer
    x = 2,440.65

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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.