Home / 1,625.39-2,434.40-1,257.24

Finding the Fourth Proportional to 1,625.39, 2,434.40 and 1,257.24

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Solution

The fourth proportional to 1,625.39, 2,434.40 and 1,257.24 is: 1,883.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.39 : 2,434.40 = 1,257.24 : x
  2. Step 2: Convert to fraction form
    1,625.39/2,434.40 = 1,257.24/x
  3. Step 3: Cross multiply
    1,625.39x = 2,434.40 × 1,257.24
  4. Step 4: Simplify right side
    1,625.39x = 3,060,625.06
  5. Step 5: Solve for x
    x = 3,060,625.06/1,625.39
  6. Step 6: Final answer
    x = 1,883.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.