Home / 2,669.48-4,002.36-1,435.64

Finding the Fourth Proportional to 2,669.48, 4,002.36 and 1,435.64

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Solution

The fourth proportional to 2,669.48, 4,002.36 and 1,435.64 is: 2,152.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.48 : 4,002.36 = 1,435.64 : x
  2. Step 2: Convert to fraction form
    2,669.48/4,002.36 = 1,435.64/x
  3. Step 3: Cross multiply
    2,669.48x = 4,002.36 × 1,435.64
  4. Step 4: Simplify right side
    2,669.48x = 5,745,928.10
  5. Step 5: Solve for x
    x = 5,745,928.10/2,669.48
  6. Step 6: Final answer
    x = 2,152.46

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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.