Home / 3,210.63-4,430.22-1,794.14

Finding the Fourth Proportional to 3,210.63, 4,430.22 and 1,794.14

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Solution

The fourth proportional to 3,210.63, 4,430.22 and 1,794.14 is: 2,475.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.63 : 4,430.22 = 1,794.14 : x
  2. Step 2: Convert to fraction form
    3,210.63/4,430.22 = 1,794.14/x
  3. Step 3: Cross multiply
    3,210.63x = 4,430.22 × 1,794.14
  4. Step 4: Simplify right side
    3,210.63x = 7,948,434.91
  5. Step 5: Solve for x
    x = 7,948,434.91/3,210.63
  6. Step 6: Final answer
    x = 2,475.66

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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.