Home / 1,887.08-2,828.28-1,368.86

Finding the Fourth Proportional to 1,887.08, 2,828.28 and 1,368.86

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Solution

The fourth proportional to 1,887.08, 2,828.28 and 1,368.86 is: 2,051.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.08 : 2,828.28 = 1,368.86 : x
  2. Step 2: Convert to fraction form
    1,887.08/2,828.28 = 1,368.86/x
  3. Step 3: Cross multiply
    1,887.08x = 2,828.28 × 1,368.86
  4. Step 4: Simplify right side
    1,887.08x = 3,871,519.36
  5. Step 5: Solve for x
    x = 3,871,519.36/1,887.08
  6. Step 6: Final answer
    x = 2,051.59

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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.