Home / 2,622.14-3,618.48-1,503.74

Finding the Fourth Proportional to 2,622.14, 3,618.48 and 1,503.74

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Solution

The fourth proportional to 2,622.14, 3,618.48 and 1,503.74 is: 2,075.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.14 : 3,618.48 = 1,503.74 : x
  2. Step 2: Convert to fraction form
    2,622.14/3,618.48 = 1,503.74/x
  3. Step 3: Cross multiply
    2,622.14x = 3,618.48 × 1,503.74
  4. Step 4: Simplify right side
    2,622.14x = 5,441,235.02
  5. Step 5: Solve for x
    x = 5,441,235.02/2,622.14
  6. Step 6: Final answer
    x = 2,075.12

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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.