Home / 2,626.16-3,622.74-2,129.36

Finding the Fourth Proportional to 2,626.16, 3,622.74 and 2,129.36

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Solution

The fourth proportional to 2,626.16, 3,622.74 and 2,129.36 is: 2,937.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.16 : 3,622.74 = 2,129.36 : x
  2. Step 2: Convert to fraction form
    2,626.16/3,622.74 = 2,129.36/x
  3. Step 3: Cross multiply
    2,626.16x = 3,622.74 × 2,129.36
  4. Step 4: Simplify right side
    2,626.16x = 7,714,117.65
  5. Step 5: Solve for x
    x = 7,714,117.65/2,626.16
  6. Step 6: Final answer
    x = 2,937.41

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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.