Home / 2,622.36-3,617.70-1,625.64

Finding the Fourth Proportional to 2,622.36, 3,617.70 and 1,625.64

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Solution

The fourth proportional to 2,622.36, 3,617.70 and 1,625.64 is: 2,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.36 : 3,617.70 = 1,625.64 : x
  2. Step 2: Convert to fraction form
    2,622.36/3,617.70 = 1,625.64/x
  3. Step 3: Cross multiply
    2,622.36x = 3,617.70 × 1,625.64
  4. Step 4: Simplify right side
    2,622.36x = 5,881,077.83
  5. Step 5: Solve for x
    x = 5,881,077.83/2,622.36
  6. Step 6: Final answer
    x = 2,242.67

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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.