Home / 2,946.90-4,066.80-1,602.60

Finding the Fourth Proportional to 2,946.90, 4,066.80 and 1,602.60

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Solution

The fourth proportional to 2,946.90, 4,066.80 and 1,602.60 is: 2,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.90 : 4,066.80 = 1,602.60 : x
  2. Step 2: Convert to fraction form
    2,946.90/4,066.80 = 1,602.60/x
  3. Step 3: Cross multiply
    2,946.90x = 4,066.80 × 1,602.60
  4. Step 4: Simplify right side
    2,946.90x = 6,517,453.68
  5. Step 5: Solve for x
    x = 6,517,453.68/2,946.90
  6. Step 6: Final answer
    x = 2,211.63

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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.