Home / 1,701.72-2,348.94-1,038.60

Finding the Fourth Proportional to 1,701.72, 2,348.94 and 1,038.60

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Solution

The fourth proportional to 1,701.72, 2,348.94 and 1,038.60 is: 1,433.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.72 : 2,348.94 = 1,038.60 : x
  2. Step 2: Convert to fraction form
    1,701.72/2,348.94 = 1,038.60/x
  3. Step 3: Cross multiply
    1,701.72x = 2,348.94 × 1,038.60
  4. Step 4: Simplify right side
    1,701.72x = 2,439,609.08
  5. Step 5: Solve for x
    x = 2,439,609.08/1,701.72
  6. Step 6: Final answer
    x = 1,433.61

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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.