Home / 2,880.37-4,319.63-1,235.87

Finding the Fourth Proportional to 2,880.37, 4,319.63 and 1,235.87

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Solution

The fourth proportional to 2,880.37, 4,319.63 and 1,235.87 is: 1,853.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.37 : 4,319.63 = 1,235.87 : x
  2. Step 2: Convert to fraction form
    2,880.37/4,319.63 = 1,235.87/x
  3. Step 3: Cross multiply
    2,880.37x = 4,319.63 × 1,235.87
  4. Step 4: Simplify right side
    2,880.37x = 5,338,501.13
  5. Step 5: Solve for x
    x = 5,338,501.13/2,880.37
  6. Step 6: Final answer
    x = 1,853.41

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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.