Home / 3,146.35-4,341.95-1,730.13

Finding the Fourth Proportional to 3,146.35, 4,341.95 and 1,730.13

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Solution

The fourth proportional to 3,146.35, 4,341.95 and 1,730.13 is: 2,387.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.35 : 4,341.95 = 1,730.13 : x
  2. Step 2: Convert to fraction form
    3,146.35/4,341.95 = 1,730.13/x
  3. Step 3: Cross multiply
    3,146.35x = 4,341.95 × 1,730.13
  4. Step 4: Simplify right side
    3,146.35x = 7,512,114.64
  5. Step 5: Solve for x
    x = 7,512,114.64/3,146.35
  6. Step 6: Final answer
    x = 2,387.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.