Home / 2,804.05-4,205.74-1,160.40

Finding the Fourth Proportional to 2,804.05, 4,205.74 and 1,160.40

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Solution

The fourth proportional to 2,804.05, 4,205.74 and 1,160.40 is: 1,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804.05 : 4,205.74 = 1,160.40 : x
  2. Step 2: Convert to fraction form
    2,804.05/4,205.74 = 1,160.40/x
  3. Step 3: Cross multiply
    2,804.05x = 4,205.74 × 1,160.40
  4. Step 4: Simplify right side
    2,804.05x = 4,880,340.70
  5. Step 5: Solve for x
    x = 4,880,340.70/2,804.05
  6. Step 6: Final answer
    x = 1,740.46

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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.