Home / 3,065.60-4,230.32-1,668.32

Finding the Fourth Proportional to 3,065.60, 4,230.32 and 1,668.32

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Solution

The fourth proportional to 3,065.60, 4,230.32 and 1,668.32 is: 2,302.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.60 : 4,230.32 = 1,668.32 : x
  2. Step 2: Convert to fraction form
    3,065.60/4,230.32 = 1,668.32/x
  3. Step 3: Cross multiply
    3,065.60x = 4,230.32 × 1,668.32
  4. Step 4: Simplify right side
    3,065.60x = 7,057,527.46
  5. Step 5: Solve for x
    x = 7,057,527.46/3,065.60
  6. Step 6: Final answer
    x = 2,302.17

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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.