Home / 1,671.40-2,305.33-1,111.59

Finding the Fourth Proportional to 1,671.40, 2,305.33 and 1,111.59

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Solution

The fourth proportional to 1,671.40, 2,305.33 and 1,111.59 is: 1,533.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671.40 : 2,305.33 = 1,111.59 : x
  2. Step 2: Convert to fraction form
    1,671.40/2,305.33 = 1,111.59/x
  3. Step 3: Cross multiply
    1,671.40x = 2,305.33 × 1,111.59
  4. Step 4: Simplify right side
    1,671.40x = 2,562,576.60
  5. Step 5: Solve for x
    x = 2,562,576.60/1,671.40
  6. Step 6: Final answer
    x = 1,533.19

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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.