Home / 4,215.50-5,817.40-2,352.50

Finding the Fourth Proportional to 4,215.50, 5,817.40 and 2,352.50

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Solution

The fourth proportional to 4,215.50, 5,817.40 and 2,352.50 is: 3,246.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.50 : 5,817.40 = 2,352.50 : x
  2. Step 2: Convert to fraction form
    4,215.50/5,817.40 = 2,352.50/x
  3. Step 3: Cross multiply
    4,215.50x = 5,817.40 × 2,352.50
  4. Step 4: Simplify right side
    4,215.50x = 13,685,433.50
  5. Step 5: Solve for x
    x = 13,685,433.50/4,215.50
  6. Step 6: Final answer
    x = 3,246.46

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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.