Home / 3,119.01-4,303.72-1,859.61

Finding the Fourth Proportional to 3,119.01, 4,303.72 and 1,859.61

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Solution

The fourth proportional to 3,119.01, 4,303.72 and 1,859.61 is: 2,565.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.01 : 4,303.72 = 1,859.61 : x
  2. Step 2: Convert to fraction form
    3,119.01/4,303.72 = 1,859.61/x
  3. Step 3: Cross multiply
    3,119.01x = 4,303.72 × 1,859.61
  4. Step 4: Simplify right side
    3,119.01x = 8,003,240.75
  5. Step 5: Solve for x
    x = 8,003,240.75/3,119.01
  6. Step 6: Final answer
    x = 2,565.96

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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.