Home / 1,946.77-2,921.36-1,022.99

Finding the Fourth Proportional to 1,946.77, 2,921.36 and 1,022.99

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Solution

The fourth proportional to 1,946.77, 2,921.36 and 1,022.99 is: 1,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.77 : 2,921.36 = 1,022.99 : x
  2. Step 2: Convert to fraction form
    1,946.77/2,921.36 = 1,022.99/x
  3. Step 3: Cross multiply
    1,946.77x = 2,921.36 × 1,022.99
  4. Step 4: Simplify right side
    1,946.77x = 2,988,502.34
  5. Step 5: Solve for x
    x = 2,988,502.34/1,946.77
  6. Step 6: Final answer
    x = 1,535.11

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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.