Home / 3,217.10-4,821.60-1,570.10

Finding the Fourth Proportional to 3,217.10, 4,821.60 and 1,570.10

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Solution

The fourth proportional to 3,217.10, 4,821.60 and 1,570.10 is: 2,353.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.10 : 4,821.60 = 1,570.10 : x
  2. Step 2: Convert to fraction form
    3,217.10/4,821.60 = 1,570.10/x
  3. Step 3: Cross multiply
    3,217.10x = 4,821.60 × 1,570.10
  4. Step 4: Simplify right side
    3,217.10x = 7,570,394.16
  5. Step 5: Solve for x
    x = 7,570,394.16/3,217.10
  6. Step 6: Final answer
    x = 2,353.17

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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.