Home / 3,559.60-4,911.60-3,061.45

Finding the Fourth Proportional to 3,559.60, 4,911.60 and 3,061.45

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Solution

The fourth proportional to 3,559.60, 4,911.60 and 3,061.45 is: 4,224.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.60 : 4,911.60 = 3,061.45 : x
  2. Step 2: Convert to fraction form
    3,559.60/4,911.60 = 3,061.45/x
  3. Step 3: Cross multiply
    3,559.60x = 4,911.60 × 3,061.45
  4. Step 4: Simplify right side
    3,559.60x = 15,036,617.82
  5. Step 5: Solve for x
    x = 15,036,617.82/3,559.60
  6. Step 6: Final answer
    x = 4,224.24

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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.