Home / 2,106.48-3,156.84-1,853.04

Finding the Fourth Proportional to 2,106.48, 3,156.84 and 1,853.04

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Solution

The fourth proportional to 2,106.48, 3,156.84 and 1,853.04 is: 2,777.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.48 : 3,156.84 = 1,853.04 : x
  2. Step 2: Convert to fraction form
    2,106.48/3,156.84 = 1,853.04/x
  3. Step 3: Cross multiply
    2,106.48x = 3,156.84 × 1,853.04
  4. Step 4: Simplify right side
    2,106.48x = 5,849,750.79
  5. Step 5: Solve for x
    x = 5,849,750.79/2,106.48
  6. Step 6: Final answer
    x = 2,777.03

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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.