Home / 4,155.79-5,735.73-2,477.31

Finding the Fourth Proportional to 4,155.79, 5,735.73 and 2,477.31

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Solution

The fourth proportional to 4,155.79, 5,735.73 and 2,477.31 is: 3,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.79 : 5,735.73 = 2,477.31 : x
  2. Step 2: Convert to fraction form
    4,155.79/5,735.73 = 2,477.31/x
  3. Step 3: Cross multiply
    4,155.79x = 5,735.73 × 2,477.31
  4. Step 4: Simplify right side
    4,155.79x = 14,209,169.07
  5. Step 5: Solve for x
    x = 14,209,169.07/4,155.79
  6. Step 6: Final answer
    x = 3,419.12

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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.