Home / 3,548.79-5,323.98-1,083.40

Finding the Fourth Proportional to 3,548.79, 5,323.98 and 1,083.40

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Solution

The fourth proportional to 3,548.79, 5,323.98 and 1,083.40 is: 1,625.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.79 : 5,323.98 = 1,083.40 : x
  2. Step 2: Convert to fraction form
    3,548.79/5,323.98 = 1,083.40/x
  3. Step 3: Cross multiply
    3,548.79x = 5,323.98 × 1,083.40
  4. Step 4: Simplify right side
    3,548.79x = 5,767,999.56
  5. Step 5: Solve for x
    x = 5,767,999.56/3,548.79
  6. Step 6: Final answer
    x = 1,625.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.