Home / 1,354.21-2,027.18-1,045.28

Finding the Fourth Proportional to 1,354.21, 2,027.18 and 1,045.28

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Solution

The fourth proportional to 1,354.21, 2,027.18 and 1,045.28 is: 1,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354.21 : 2,027.18 = 1,045.28 : x
  2. Step 2: Convert to fraction form
    1,354.21/2,027.18 = 1,045.28/x
  3. Step 3: Cross multiply
    1,354.21x = 2,027.18 × 1,045.28
  4. Step 4: Simplify right side
    1,354.21x = 2,118,978.39
  5. Step 5: Solve for x
    x = 2,118,978.39/1,354.21
  6. Step 6: Final answer
    x = 1,564.74

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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.