Home / 2,319.16-3,477.12-2,100.46

Finding the Fourth Proportional to 2,319.16, 3,477.12 and 2,100.46

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Solution

The fourth proportional to 2,319.16, 3,477.12 and 2,100.46 is: 3,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.16 : 3,477.12 = 2,100.46 : x
  2. Step 2: Convert to fraction form
    2,319.16/3,477.12 = 2,100.46/x
  3. Step 3: Cross multiply
    2,319.16x = 3,477.12 × 2,100.46
  4. Step 4: Simplify right side
    2,319.16x = 7,303,551.48
  5. Step 5: Solve for x
    x = 7,303,551.48/2,319.16
  6. Step 6: Final answer
    x = 3,149.22

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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.