Home / 2,748.14-4,122.93-1,210.22

Finding the Fourth Proportional to 2,748.14, 4,122.93 and 1,210.22

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Solution

The fourth proportional to 2,748.14, 4,122.93 and 1,210.22 is: 1,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.14 : 4,122.93 = 1,210.22 : x
  2. Step 2: Convert to fraction form
    2,748.14/4,122.93 = 1,210.22/x
  3. Step 3: Cross multiply
    2,748.14x = 4,122.93 × 1,210.22
  4. Step 4: Simplify right side
    2,748.14x = 4,989,652.34
  5. Step 5: Solve for x
    x = 4,989,652.34/2,748.14
  6. Step 6: Final answer
    x = 1,815.65

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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.