Home / 2,985.26-4,479.50-1,755.07

Finding the Fourth Proportional to 2,985.26, 4,479.50 and 1,755.07

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Solution

The fourth proportional to 2,985.26, 4,479.50 and 1,755.07 is: 2,633.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.26 : 4,479.50 = 1,755.07 : x
  2. Step 2: Convert to fraction form
    2,985.26/4,479.50 = 1,755.07/x
  3. Step 3: Cross multiply
    2,985.26x = 4,479.50 × 1,755.07
  4. Step 4: Simplify right side
    2,985.26x = 7,861,829.25
  5. Step 5: Solve for x
    x = 7,861,829.25/2,985.26
  6. Step 6: Final answer
    x = 2,633.55

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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.