Home / 2,946.92-4,066.66-1,899.59

Finding the Fourth Proportional to 2,946.92, 4,066.66 and 1,899.59

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Solution

The fourth proportional to 2,946.92, 4,066.66 and 1,899.59 is: 2,621.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.92 : 4,066.66 = 1,899.59 : x
  2. Step 2: Convert to fraction form
    2,946.92/4,066.66 = 1,899.59/x
  3. Step 3: Cross multiply
    2,946.92x = 4,066.66 × 1,899.59
  4. Step 4: Simplify right side
    2,946.92x = 7,724,986.67
  5. Step 5: Solve for x
    x = 7,724,986.67/2,946.92
  6. Step 6: Final answer
    x = 2,621.38

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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.