Home / 4,155.98-5,735.31-2,478.35

Finding the Fourth Proportional to 4,155.98, 5,735.31 and 2,478.35

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Solution

The fourth proportional to 4,155.98, 5,735.31 and 2,478.35 is: 3,420.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.98 : 5,735.31 = 2,478.35 : x
  2. Step 2: Convert to fraction form
    4,155.98/5,735.31 = 2,478.35/x
  3. Step 3: Cross multiply
    4,155.98x = 5,735.31 × 2,478.35
  4. Step 4: Simplify right side
    4,155.98x = 14,214,119.88
  5. Step 5: Solve for x
    x = 14,214,119.88/4,155.98
  6. Step 6: Final answer
    x = 3,420.16

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1.5x scale

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.