Home / 3,050.95-4,210.43-1,855.59

Finding the Fourth Proportional to 3,050.95, 4,210.43 and 1,855.59

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Solution

The fourth proportional to 3,050.95, 4,210.43 and 1,855.59 is: 2,560.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.95 : 4,210.43 = 1,855.59 : x
  2. Step 2: Convert to fraction form
    3,050.95/4,210.43 = 1,855.59/x
  3. Step 3: Cross multiply
    3,050.95x = 4,210.43 × 1,855.59
  4. Step 4: Simplify right side
    3,050.95x = 7,812,831.80
  5. Step 5: Solve for x
    x = 7,812,831.80/3,050.95
  6. Step 6: Final answer
    x = 2,560.79

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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.