Home / 2,622.15-3,619.08-1,503.84

Finding the Fourth Proportional to 2,622.15, 3,619.08 and 1,503.84

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Solution

The fourth proportional to 2,622.15, 3,619.08 and 1,503.84 is: 2,075.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.15 : 3,619.08 = 1,503.84 : x
  2. Step 2: Convert to fraction form
    2,622.15/3,619.08 = 1,503.84/x
  3. Step 3: Cross multiply
    2,622.15x = 3,619.08 × 1,503.84
  4. Step 4: Simplify right side
    2,622.15x = 5,442,517.27
  5. Step 5: Solve for x
    x = 5,442,517.27/2,622.15
  6. Step 6: Final answer
    x = 2,075.59

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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.