Home / 2,622.85-3,619.54-1,503.85

Finding the Fourth Proportional to 2,622.85, 3,619.54 and 1,503.85

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Solution

The fourth proportional to 2,622.85, 3,619.54 and 1,503.85 is: 2,075.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.85 : 3,619.54 = 1,503.85 : x
  2. Step 2: Convert to fraction form
    2,622.85/3,619.54 = 1,503.85/x
  3. Step 3: Cross multiply
    2,622.85x = 3,619.54 × 1,503.85
  4. Step 4: Simplify right side
    2,622.85x = 5,443,245.23
  5. Step 5: Solve for x
    x = 5,443,245.23/2,622.85
  6. Step 6: Final answer
    x = 2,075.32

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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.