Home / 2,880.87-4,296.50-2,829.03

Finding the Fourth Proportional to 2,880.87, 4,296.50 and 2,829.03

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Solution

The fourth proportional to 2,880.87, 4,296.50 and 2,829.03 is: 4,219.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.87 : 4,296.50 = 2,829.03 : x
  2. Step 2: Convert to fraction form
    2,880.87/4,296.50 = 2,829.03/x
  3. Step 3: Cross multiply
    2,880.87x = 4,296.50 × 2,829.03
  4. Step 4: Simplify right side
    2,880.87x = 12,154,927.40
  5. Step 5: Solve for x
    x = 12,154,927.40/2,880.87
  6. Step 6: Final answer
    x = 4,219.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.