Home / 2,880.01-4,319.87-1,418.67

Finding the Fourth Proportional to 2,880.01, 4,319.87 and 1,418.67

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Solution

The fourth proportional to 2,880.01, 4,319.87 and 1,418.67 is: 2,127.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.01 : 4,319.87 = 1,418.67 : x
  2. Step 2: Convert to fraction form
    2,880.01/4,319.87 = 1,418.67/x
  3. Step 3: Cross multiply
    2,880.01x = 4,319.87 × 1,418.67
  4. Step 4: Simplify right side
    2,880.01x = 6,128,474.97
  5. Step 5: Solve for x
    x = 6,128,474.97/2,880.01
  6. Step 6: Final answer
    x = 2,127.93

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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.