Home / 3,165.79-4,368.81-1,768.54

Finding the Fourth Proportional to 3,165.79, 4,368.81 and 1,768.54

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Solution

The fourth proportional to 3,165.79, 4,368.81 and 1,768.54 is: 2,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.79 : 4,368.81 = 1,768.54 : x
  2. Step 2: Convert to fraction form
    3,165.79/4,368.81 = 1,768.54/x
  3. Step 3: Cross multiply
    3,165.79x = 4,368.81 × 1,768.54
  4. Step 4: Simplify right side
    3,165.79x = 7,726,421.74
  5. Step 5: Solve for x
    x = 7,726,421.74/3,165.79
  6. Step 6: Final answer
    x = 2,440.60

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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.