Home / 2,102.64-2,901.06-1,356.63

Finding the Fourth Proportional to 2,102.64, 2,901.06 and 1,356.63

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Solution

The fourth proportional to 2,102.64, 2,901.06 and 1,356.63 is: 1,871.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102.64 : 2,901.06 = 1,356.63 : x
  2. Step 2: Convert to fraction form
    2,102.64/2,901.06 = 1,356.63/x
  3. Step 3: Cross multiply
    2,102.64x = 2,901.06 × 1,356.63
  4. Step 4: Simplify right side
    2,102.64x = 3,935,665.03
  5. Step 5: Solve for x
    x = 3,935,665.03/2,102.64
  6. Step 6: Final answer
    x = 1,871.77

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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.