Home / 3,210.46-4,430.48-1,794.28

Finding the Fourth Proportional to 3,210.46, 4,430.48 and 1,794.28

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Solution

The fourth proportional to 3,210.46, 4,430.48 and 1,794.28 is: 2,476.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.46 : 4,430.48 = 1,794.28 : x
  2. Step 2: Convert to fraction form
    3,210.46/4,430.48 = 1,794.28/x
  3. Step 3: Cross multiply
    3,210.46x = 4,430.48 × 1,794.28
  4. Step 4: Simplify right side
    3,210.46x = 7,949,521.65
  5. Step 5: Solve for x
    x = 7,949,521.65/3,210.46
  6. Step 6: Final answer
    x = 2,476.13

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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.