Home / 3,119.00-4,303.77-1,859.94

Finding the Fourth Proportional to 3,119.00, 4,303.77 and 1,859.94

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Solution

The fourth proportional to 3,119.00, 4,303.77 and 1,859.94 is: 2,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.00 : 4,303.77 = 1,859.94 : x
  2. Step 2: Convert to fraction form
    3,119.00/4,303.77 = 1,859.94/x
  3. Step 3: Cross multiply
    3,119.00x = 4,303.77 × 1,859.94
  4. Step 4: Simplify right side
    3,119.00x = 8,004,753.97
  5. Step 5: Solve for x
    x = 8,004,753.97/3,119.00
  6. Step 6: Final answer
    x = 2,566.45

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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.