Home / 2,385.57-3,291.94-1,323.26

Finding the Fourth Proportional to 2,385.57, 3,291.94 and 1,323.26

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Solution

The fourth proportional to 2,385.57, 3,291.94 and 1,323.26 is: 1,826.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.57 : 3,291.94 = 1,323.26 : x
  2. Step 2: Convert to fraction form
    2,385.57/3,291.94 = 1,323.26/x
  3. Step 3: Cross multiply
    2,385.57x = 3,291.94 × 1,323.26
  4. Step 4: Simplify right side
    2,385.57x = 4,356,090.06
  5. Step 5: Solve for x
    x = 4,356,090.06/2,385.57
  6. Step 6: Final answer
    x = 1,826.01

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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.