Home / 2,395.45-3,305.64-1,347.31

Finding the Fourth Proportional to 2,395.45, 3,305.64 and 1,347.31

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Solution

The fourth proportional to 2,395.45, 3,305.64 and 1,347.31 is: 1,859.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.45 : 3,305.64 = 1,347.31 : x
  2. Step 2: Convert to fraction form
    2,395.45/3,305.64 = 1,347.31/x
  3. Step 3: Cross multiply
    2,395.45x = 3,305.64 × 1,347.31
  4. Step 4: Simplify right side
    2,395.45x = 4,453,721.83
  5. Step 5: Solve for x
    x = 4,453,721.83/2,395.45
  6. Step 6: Final answer
    x = 1,859.24

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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.