Home / 2,102.14-2,900.37-1,356.13

Finding the Fourth Proportional to 2,102.14, 2,900.37 and 1,356.13

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Solution

The fourth proportional to 2,102.14, 2,900.37 and 1,356.13 is: 1,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102.14 : 2,900.37 = 1,356.13 : x
  2. Step 2: Convert to fraction form
    2,102.14/2,900.37 = 1,356.13/x
  3. Step 3: Cross multiply
    2,102.14x = 2,900.37 × 1,356.13
  4. Step 4: Simplify right side
    2,102.14x = 3,933,278.77
  5. Step 5: Solve for x
    x = 3,933,278.77/2,102.14
  6. Step 6: Final answer
    x = 1,871.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.