Home / 3,130.92-4,320.72-1,733.70

Finding the Fourth Proportional to 3,130.92, 4,320.72 and 1,733.70

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Solution

The fourth proportional to 3,130.92, 4,320.72 and 1,733.70 is: 2,392.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.92 : 4,320.72 = 1,733.70 : x
  2. Step 2: Convert to fraction form
    3,130.92/4,320.72 = 1,733.70/x
  3. Step 3: Cross multiply
    3,130.92x = 4,320.72 × 1,733.70
  4. Step 4: Simplify right side
    3,130.92x = 7,490,832.26
  5. Step 5: Solve for x
    x = 7,490,832.26/3,130.92
  6. Step 6: Final answer
    x = 2,392.53

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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.