Home / 1,622.15-2,239.30-1,033.48

Finding the Fourth Proportional to 1,622.15, 2,239.30 and 1,033.48

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Solution

The fourth proportional to 1,622.15, 2,239.30 and 1,033.48 is: 1,426.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.15 : 2,239.30 = 1,033.48 : x
  2. Step 2: Convert to fraction form
    1,622.15/2,239.30 = 1,033.48/x
  3. Step 3: Cross multiply
    1,622.15x = 2,239.30 × 1,033.48
  4. Step 4: Simplify right side
    1,622.15x = 2,314,267.46
  5. Step 5: Solve for x
    x = 2,314,267.46/1,622.15
  6. Step 6: Final answer
    x = 1,426.67

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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.