Home / 2,626.24-3,939.12-802.24

Finding the Fourth Proportional to 2,626.24, 3,939.12 and 802.24

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Solution

The fourth proportional to 2,626.24, 3,939.12 and 802.24 is: 1,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.24 : 3,939.12 = 802.24 : x
  2. Step 2: Convert to fraction form
    2,626.24/3,939.12 = 802.24/x
  3. Step 3: Cross multiply
    2,626.24x = 3,939.12 × 802.24
  4. Step 4: Simplify right side
    2,626.24x = 3,160,119.63
  5. Step 5: Solve for x
    x = 3,160,119.63/2,626.24
  6. Step 6: Final answer
    x = 1,203.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.