Home / 2,603.18-3,901.32-1,140.50

Finding the Fourth Proportional to 2,603.18, 3,901.32 and 1,140.50

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Solution

The fourth proportional to 2,603.18, 3,901.32 and 1,140.50 is: 1,709.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.18 : 3,901.32 = 1,140.50 : x
  2. Step 2: Convert to fraction form
    2,603.18/3,901.32 = 1,140.50/x
  3. Step 3: Cross multiply
    2,603.18x = 3,901.32 × 1,140.50
  4. Step 4: Simplify right side
    2,603.18x = 4,449,455.46
  5. Step 5: Solve for x
    x = 4,449,455.46/2,603.18
  6. Step 6: Final answer
    x = 1,709.24

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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.