Home / 4,294.08-6,440.40-1,661.20

Finding the Fourth Proportional to 4,294.08, 6,440.40 and 1,661.20

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Solution

The fourth proportional to 4,294.08, 6,440.40 and 1,661.20 is: 2,491.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,294.08 : 6,440.40 = 1,661.20 : x
  2. Step 2: Convert to fraction form
    4,294.08/6,440.40 = 1,661.20/x
  3. Step 3: Cross multiply
    4,294.08x = 6,440.40 × 1,661.20
  4. Step 4: Simplify right side
    4,294.08x = 10,698,792.48
  5. Step 5: Solve for x
    x = 10,698,792.48/4,294.08
  6. Step 6: Final answer
    x = 2,491.52

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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.