Home / 2,348.19-3,240.54-1,300.28

Finding the Fourth Proportional to 2,348.19, 3,240.54 and 1,300.28

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Solution

The fourth proportional to 2,348.19, 3,240.54 and 1,300.28 is: 1,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.19 : 3,240.54 = 1,300.28 : x
  2. Step 2: Convert to fraction form
    2,348.19/3,240.54 = 1,300.28/x
  3. Step 3: Cross multiply
    2,348.19x = 3,240.54 × 1,300.28
  4. Step 4: Simplify right side
    2,348.19x = 4,213,593.15
  5. Step 5: Solve for x
    x = 4,213,593.15/2,348.19
  6. Step 6: Final answer
    x = 1,794.40

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Half scale
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Double 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.