Home / 4,280.23-6,418.72-1,681.75

Finding the Fourth Proportional to 4,280.23, 6,418.72 and 1,681.75

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Solution

The fourth proportional to 4,280.23, 6,418.72 and 1,681.75 is: 2,521.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.23 : 6,418.72 = 1,681.75 : x
  2. Step 2: Convert to fraction form
    4,280.23/6,418.72 = 1,681.75/x
  3. Step 3: Cross multiply
    4,280.23x = 6,418.72 × 1,681.75
  4. Step 4: Simplify right side
    4,280.23x = 10,794,682.36
  5. Step 5: Solve for x
    x = 10,794,682.36/4,280.23
  6. Step 6: Final answer
    x = 2,521.99

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1.5x scale

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.