Home / 2,065.60-3,100.08-2,049.40

Finding the Fourth Proportional to 2,065.60, 3,100.08 and 2,049.40

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Solution

The fourth proportional to 2,065.60, 3,100.08 and 2,049.40 is: 3,075.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.60 : 3,100.08 = 2,049.40 : x
  2. Step 2: Convert to fraction form
    2,065.60/3,100.08 = 2,049.40/x
  3. Step 3: Cross multiply
    2,065.60x = 3,100.08 × 2,049.40
  4. Step 4: Simplify right side
    2,065.60x = 6,353,303.95
  5. Step 5: Solve for x
    x = 6,353,303.95/2,065.60
  6. Step 6: Final answer
    x = 3,075.77

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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.