Home / 1,032.81-1,426.35-943.97

Finding the Fourth Proportional to 1,032.81, 1,426.35 and 943.97

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Solution

The fourth proportional to 1,032.81, 1,426.35 and 943.97 is: 1,303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.81 : 1,426.35 = 943.97 : x
  2. Step 2: Convert to fraction form
    1,032.81/1,426.35 = 943.97/x
  3. Step 3: Cross multiply
    1,032.81x = 1,426.35 × 943.97
  4. Step 4: Simplify right side
    1,032.81x = 1,346,424.48
  5. Step 5: Solve for x
    x = 1,346,424.48/1,032.81
  6. Step 6: Final answer
    x = 1,303.65

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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.