Home / 1,426.19-1,966.73-1,027.67

Finding the Fourth Proportional to 1,426.19, 1,966.73 and 1,027.67

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Solution

The fourth proportional to 1,426.19, 1,966.73 and 1,027.67 is: 1,417.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426.19 : 1,966.73 = 1,027.67 : x
  2. Step 2: Convert to fraction form
    1,426.19/1,966.73 = 1,027.67/x
  3. Step 3: Cross multiply
    1,426.19x = 1,966.73 × 1,027.67
  4. Step 4: Simplify right side
    1,426.19x = 2,021,134.45
  5. Step 5: Solve for x
    x = 2,021,134.45/1,426.19
  6. Step 6: Final answer
    x = 1,417.16

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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.