Home / 3,210.16-4,812.36-1,666.48

Finding the Fourth Proportional to 3,210.16, 4,812.36 and 1,666.48

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Solution

The fourth proportional to 3,210.16, 4,812.36 and 1,666.48 is: 2,498.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.16 : 4,812.36 = 1,666.48 : x
  2. Step 2: Convert to fraction form
    3,210.16/4,812.36 = 1,666.48/x
  3. Step 3: Cross multiply
    3,210.16x = 4,812.36 × 1,666.48
  4. Step 4: Simplify right side
    3,210.16x = 8,019,701.69
  5. Step 5: Solve for x
    x = 8,019,701.69/3,210.16
  6. Step 6: Final answer
    x = 2,498.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.