Home / 2,839.80-4,259.46-1,603.32

Finding the Fourth Proportional to 2,839.80, 4,259.46 and 1,603.32

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Solution

The fourth proportional to 2,839.80, 4,259.46 and 1,603.32 is: 2,404.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.80 : 4,259.46 = 1,603.32 : x
  2. Step 2: Convert to fraction form
    2,839.80/4,259.46 = 1,603.32/x
  3. Step 3: Cross multiply
    2,839.80x = 4,259.46 × 1,603.32
  4. Step 4: Simplify right side
    2,839.80x = 6,829,277.41
  5. Step 5: Solve for x
    x = 6,829,277.41/2,839.80
  6. Step 6: Final answer
    x = 2,404.84

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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.