Home / 1,407.11-1,941.92-1,035.79

Finding the Fourth Proportional to 1,407.11, 1,941.92 and 1,035.79

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Solution

The fourth proportional to 1,407.11, 1,941.92 and 1,035.79 is: 1,429.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407.11 : 1,941.92 = 1,035.79 : x
  2. Step 2: Convert to fraction form
    1,407.11/1,941.92 = 1,035.79/x
  3. Step 3: Cross multiply
    1,407.11x = 1,941.92 × 1,035.79
  4. Step 4: Simplify right side
    1,407.11x = 2,011,416.14
  5. Step 5: Solve for x
    x = 2,011,416.14/1,407.11
  6. Step 6: Final answer
    x = 1,429.47

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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.