Home / 2,847.90-4,271.85-1,748.70

Finding the Fourth Proportional to 2,847.90, 4,271.85 and 1,748.70

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Solution

The fourth proportional to 2,847.90, 4,271.85 and 1,748.70 is: 2,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.90 : 4,271.85 = 1,748.70 : x
  2. Step 2: Convert to fraction form
    2,847.90/4,271.85 = 1,748.70/x
  3. Step 3: Cross multiply
    2,847.90x = 4,271.85 × 1,748.70
  4. Step 4: Simplify right side
    2,847.90x = 7,470,184.10
  5. Step 5: Solve for x
    x = 7,470,184.10/2,847.90
  6. Step 6: Final answer
    x = 2,623.05

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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.