Home / 1,041.68-1,433.87-943.27

Finding the Fourth Proportional to 1,041.68, 1,433.87 and 943.27

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Solution

The fourth proportional to 1,041.68, 1,433.87 and 943.27 is: 1,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.68 : 1,433.87 = 943.27 : x
  2. Step 2: Convert to fraction form
    1,041.68/1,433.87 = 943.27/x
  3. Step 3: Cross multiply
    1,041.68x = 1,433.87 × 943.27
  4. Step 4: Simplify right side
    1,041.68x = 1,352,521.79
  5. Step 5: Solve for x
    x = 1,352,521.79/1,041.68
  6. Step 6: Final answer
    x = 1,298.40

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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.