Home / 2,041.19-3,065.18-1,378.35

Finding the Fourth Proportional to 2,041.19, 3,065.18 and 1,378.35

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Solution

The fourth proportional to 2,041.19, 3,065.18 and 1,378.35 is: 2,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.19 : 3,065.18 = 1,378.35 : x
  2. Step 2: Convert to fraction form
    2,041.19/3,065.18 = 1,378.35/x
  3. Step 3: Cross multiply
    2,041.19x = 3,065.18 × 1,378.35
  4. Step 4: Simplify right side
    2,041.19x = 4,224,890.85
  5. Step 5: Solve for x
    x = 4,224,890.85/2,041.19
  6. Step 6: Final answer
    x = 2,069.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.