Home / 1,946.23-2,922.58-1,931.11

Finding the Fourth Proportional to 1,946.23, 2,922.58 and 1,931.11

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Solution

The fourth proportional to 1,946.23, 2,922.58 and 1,931.11 is: 2,899.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.23 : 2,922.58 = 1,931.11 : x
  2. Step 2: Convert to fraction form
    1,946.23/2,922.58 = 1,931.11/x
  3. Step 3: Cross multiply
    1,946.23x = 2,922.58 × 1,931.11
  4. Step 4: Simplify right side
    1,946.23x = 5,643,818.57
  5. Step 5: Solve for x
    x = 5,643,818.57/1,946.23
  6. Step 6: Final answer
    x = 2,899.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.