Home / 1,026.27-1,415.17-943.04

Finding the Fourth Proportional to 1,026.27, 1,415.17 and 943.04

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Solution

The fourth proportional to 1,026.27, 1,415.17 and 943.04 is: 1,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.27 : 1,415.17 = 943.04 : x
  2. Step 2: Convert to fraction form
    1,026.27/1,415.17 = 943.04/x
  3. Step 3: Cross multiply
    1,026.27x = 1,415.17 × 943.04
  4. Step 4: Simplify right side
    1,026.27x = 1,334,566.63
  5. Step 5: Solve for x
    x = 1,334,566.63/1,026.27
  6. Step 6: Final answer
    x = 1,300.40

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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.