Home / 3,151.80-4,349.50-1,735.63

Finding the Fourth Proportional to 3,151.80, 4,349.50 and 1,735.63

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Solution

The fourth proportional to 3,151.80, 4,349.50 and 1,735.63 is: 2,395.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.80 : 4,349.50 = 1,735.63 : x
  2. Step 2: Convert to fraction form
    3,151.80/4,349.50 = 1,735.63/x
  3. Step 3: Cross multiply
    3,151.80x = 4,349.50 × 1,735.63
  4. Step 4: Simplify right side
    3,151.80x = 7,549,107.47
  5. Step 5: Solve for x
    x = 7,549,107.47/3,151.80
  6. Step 6: Final answer
    x = 2,395.17

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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.