Home / 2,395.20-3,305.07-1,347.06

Finding the Fourth Proportional to 2,395.20, 3,305.07 and 1,347.06

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Solution

The fourth proportional to 2,395.20, 3,305.07 and 1,347.06 is: 1,858.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.20 : 3,305.07 = 1,347.06 : x
  2. Step 2: Convert to fraction form
    2,395.20/3,305.07 = 1,347.06/x
  3. Step 3: Cross multiply
    2,395.20x = 3,305.07 × 1,347.06
  4. Step 4: Simplify right side
    2,395.20x = 4,452,127.59
  5. Step 5: Solve for x
    x = 4,452,127.59/2,395.20
  6. Step 6: Final answer
    x = 1,858.77

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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.