Home / 2,625.16-3,622.80-1,506.32

Finding the Fourth Proportional to 2,625.16, 3,622.80 and 1,506.32

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Solution

The fourth proportional to 2,625.16, 3,622.80 and 1,506.32 is: 2,078.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.16 : 3,622.80 = 1,506.32 : x
  2. Step 2: Convert to fraction form
    2,625.16/3,622.80 = 1,506.32/x
  3. Step 3: Cross multiply
    2,625.16x = 3,622.80 × 1,506.32
  4. Step 4: Simplify right side
    2,625.16x = 5,457,103.17
  5. Step 5: Solve for x
    x = 5,457,103.17/2,625.16
  6. Step 6: Final answer
    x = 2,078.77

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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.