Home / 1,903.18-2,625.81-1,240.99

Finding the Fourth Proportional to 1,903.18, 2,625.81 and 1,240.99

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Solution

The fourth proportional to 1,903.18, 2,625.81 and 1,240.99 is: 1,712.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.18 : 2,625.81 = 1,240.99 : x
  2. Step 2: Convert to fraction form
    1,903.18/2,625.81 = 1,240.99/x
  3. Step 3: Cross multiply
    1,903.18x = 2,625.81 × 1,240.99
  4. Step 4: Simplify right side
    1,903.18x = 3,258,603.95
  5. Step 5: Solve for x
    x = 3,258,603.95/1,903.18
  6. Step 6: Final answer
    x = 1,712.19

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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.