Home / 2,880.14-4,320.03-1,418.00

Finding the Fourth Proportional to 2,880.14, 4,320.03 and 1,418.00

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Solution

The fourth proportional to 2,880.14, 4,320.03 and 1,418.00 is: 2,126.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.14 : 4,320.03 = 1,418.00 : x
  2. Step 2: Convert to fraction form
    2,880.14/4,320.03 = 1,418.00/x
  3. Step 3: Cross multiply
    2,880.14x = 4,320.03 × 1,418.00
  4. Step 4: Simplify right side
    2,880.14x = 6,125,813.34
  5. Step 5: Solve for x
    x = 6,125,813.34/2,880.14
  6. Step 6: Final answer
    x = 2,126.91

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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.