Home / 1,022.30-1,411.17-673.10

Finding the Fourth Proportional to 1,022.30, 1,411.17 and 673.10

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Solution

The fourth proportional to 1,022.30, 1,411.17 and 673.10 is: 929.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022.30 : 1,411.17 = 673.10 : x
  2. Step 2: Convert to fraction form
    1,022.30/1,411.17 = 673.10/x
  3. Step 3: Cross multiply
    1,022.30x = 1,411.17 × 673.10
  4. Step 4: Simplify right side
    1,022.30x = 949,858.53
  5. Step 5: Solve for x
    x = 949,858.53/1,022.30
  6. Step 6: Final answer
    x = 929.14

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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.