Home / 2,625.87-3,622.68-1,506.40

Finding the Fourth Proportional to 2,625.87, 3,622.68 and 1,506.40

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Solution

The fourth proportional to 2,625.87, 3,622.68 and 1,506.40 is: 2,078.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.87 : 3,622.68 = 1,506.40 : x
  2. Step 2: Convert to fraction form
    2,625.87/3,622.68 = 1,506.40/x
  3. Step 3: Cross multiply
    2,625.87x = 3,622.68 × 1,506.40
  4. Step 4: Simplify right side
    2,625.87x = 5,457,205.15
  5. Step 5: Solve for x
    x = 5,457,205.15/2,625.87
  6. Step 6: Final answer
    x = 2,078.25

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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.