Home / 1,625.21-2,434.61-1,075.73

Finding the Fourth Proportional to 1,625.21, 2,434.61 and 1,075.73

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Solution

The fourth proportional to 1,625.21, 2,434.61 and 1,075.73 is: 1,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.21 : 2,434.61 = 1,075.73 : x
  2. Step 2: Convert to fraction form
    1,625.21/2,434.61 = 1,075.73/x
  3. Step 3: Cross multiply
    1,625.21x = 2,434.61 × 1,075.73
  4. Step 4: Simplify right side
    1,625.21x = 2,618,983.02
  5. Step 5: Solve for x
    x = 2,618,983.02/1,625.21
  6. Step 6: Final answer
    x = 1,611.47

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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.