Home / 1,625.94-2,238.84-1,440.18

Finding the Fourth Proportional to 1,625.94, 2,238.84 and 1,440.18

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Solution

The fourth proportional to 1,625.94, 2,238.84 and 1,440.18 is: 1,983.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.94 : 2,238.84 = 1,440.18 : x
  2. Step 2: Convert to fraction form
    1,625.94/2,238.84 = 1,440.18/x
  3. Step 3: Cross multiply
    1,625.94x = 2,238.84 × 1,440.18
  4. Step 4: Simplify right side
    1,625.94x = 3,224,332.59
  5. Step 5: Solve for x
    x = 3,224,332.59/1,625.94
  6. Step 6: Final answer
    x = 1,983.06

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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.