Home / 1,434.96-1,977.48-1,020.24

Finding the Fourth Proportional to 1,434.96, 1,977.48 and 1,020.24

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Solution

The fourth proportional to 1,434.96, 1,977.48 and 1,020.24 is: 1,405.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434.96 : 1,977.48 = 1,020.24 : x
  2. Step 2: Convert to fraction form
    1,434.96/1,977.48 = 1,020.24/x
  3. Step 3: Cross multiply
    1,434.96x = 1,977.48 × 1,020.24
  4. Step 4: Simplify right side
    1,434.96x = 2,017,504.20
  5. Step 5: Solve for x
    x = 2,017,504.20/1,434.96
  6. Step 6: Final answer
    x = 1,405.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.