Home / 3,146.07-4,720.59-1,503.12

Finding the Fourth Proportional to 3,146.07, 4,720.59 and 1,503.12

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Solution

The fourth proportional to 3,146.07, 4,720.59 and 1,503.12 is: 2,255.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.07 : 4,720.59 = 1,503.12 : x
  2. Step 2: Convert to fraction form
    3,146.07/4,720.59 = 1,503.12/x
  3. Step 3: Cross multiply
    3,146.07x = 4,720.59 × 1,503.12
  4. Step 4: Simplify right side
    3,146.07x = 7,095,613.24
  5. Step 5: Solve for x
    x = 7,095,613.24/3,146.07
  6. Step 6: Final answer
    x = 2,255.39

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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.