Home / 2,348.13-3,240.51-1,300.20

Finding the Fourth Proportional to 2,348.13, 3,240.51 and 1,300.20

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Solution

The fourth proportional to 2,348.13, 3,240.51 and 1,300.20 is: 1,794.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.13 : 3,240.51 = 1,300.20 : x
  2. Step 2: Convert to fraction form
    2,348.13/3,240.51 = 1,300.20/x
  3. Step 3: Cross multiply
    2,348.13x = 3,240.51 × 1,300.20
  4. Step 4: Simplify right side
    2,348.13x = 4,213,311.10
  5. Step 5: Solve for x
    x = 4,213,311.10/2,348.13
  6. Step 6: Final answer
    x = 1,794.33

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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.