Home / 2,626.77-3,626.42-1,743.78

Finding the Fourth Proportional to 2,626.77, 3,626.42 and 1,743.78

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Solution

The fourth proportional to 2,626.77, 3,626.42 and 1,743.78 is: 2,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.77 : 3,626.42 = 1,743.78 : x
  2. Step 2: Convert to fraction form
    2,626.77/3,626.42 = 1,743.78/x
  3. Step 3: Cross multiply
    2,626.77x = 3,626.42 × 1,743.78
  4. Step 4: Simplify right side
    2,626.77x = 6,323,666.16
  5. Step 5: Solve for x
    x = 6,323,666.16/2,626.77
  6. Step 6: Final answer
    x = 2,407.40

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Half scale
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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.