Home / 1,417.41-2,122.97-867.93

Finding the Fourth Proportional to 1,417.41, 2,122.97 and 867.93

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Solution

The fourth proportional to 1,417.41, 2,122.97 and 867.93 is: 1,299.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.41 : 2,122.97 = 867.93 : x
  2. Step 2: Convert to fraction form
    1,417.41/2,122.97 = 867.93/x
  3. Step 3: Cross multiply
    1,417.41x = 2,122.97 × 867.93
  4. Step 4: Simplify right side
    1,417.41x = 1,842,585.01
  5. Step 5: Solve for x
    x = 1,842,585.01/1,417.41
  6. Step 6: Final answer
    x = 1,299.97

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1.5x scale

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.