Home / 2,898.90-4,338.63-2,860.02

Finding the Fourth Proportional to 2,898.90, 4,338.63 and 2,860.02

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Solution

The fourth proportional to 2,898.90, 4,338.63 and 2,860.02 is: 4,280.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.90 : 4,338.63 = 2,860.02 : x
  2. Step 2: Convert to fraction form
    2,898.90/4,338.63 = 2,860.02/x
  3. Step 3: Cross multiply
    2,898.90x = 4,338.63 × 2,860.02
  4. Step 4: Simplify right side
    2,898.90x = 12,408,568.57
  5. Step 5: Solve for x
    x = 12,408,568.57/2,898.90
  6. Step 6: Final answer
    x = 4,280.44

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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.