Home / 2,899.40-4,349.84-1,255.55

Finding the Fourth Proportional to 2,899.40, 4,349.84 and 1,255.55

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Solution

The fourth proportional to 2,899.40, 4,349.84 and 1,255.55 is: 1,883.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.40 : 4,349.84 = 1,255.55 : x
  2. Step 2: Convert to fraction form
    2,899.40/4,349.84 = 1,255.55/x
  3. Step 3: Cross multiply
    2,899.40x = 4,349.84 × 1,255.55
  4. Step 4: Simplify right side
    2,899.40x = 5,461,413.59
  5. Step 5: Solve for x
    x = 5,461,413.59/2,899.40
  6. Step 6: Final answer
    x = 1,883.64

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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.