Home / 2,116.48-3,156.88-2,051.68

Finding the Fourth Proportional to 2,116.48, 3,156.88 and 2,051.68

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Solution

The fourth proportional to 2,116.48, 3,156.88 and 2,051.68 is: 3,060.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.48 : 3,156.88 = 2,051.68 : x
  2. Step 2: Convert to fraction form
    2,116.48/3,156.88 = 2,051.68/x
  3. Step 3: Cross multiply
    2,116.48x = 3,156.88 × 2,051.68
  4. Step 4: Simplify right side
    2,116.48x = 6,476,907.56
  5. Step 5: Solve for x
    x = 6,476,907.56/2,116.48
  6. Step 6: Final answer
    x = 3,060.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.