Home / 1,625.18-2,434.12-1,140.39

Finding the Fourth Proportional to 1,625.18, 2,434.12 and 1,140.39

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Solution

The fourth proportional to 1,625.18, 2,434.12 and 1,140.39 is: 1,708.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.18 : 2,434.12 = 1,140.39 : x
  2. Step 2: Convert to fraction form
    1,625.18/2,434.12 = 1,140.39/x
  3. Step 3: Cross multiply
    1,625.18x = 2,434.12 × 1,140.39
  4. Step 4: Simplify right side
    1,625.18x = 2,775,846.11
  5. Step 5: Solve for x
    x = 2,775,846.11/1,625.18
  6. Step 6: Final answer
    x = 1,708.02

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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.