Home / 2,316.08-3,474.96-1,220.48

Finding the Fourth Proportional to 2,316.08, 3,474.96 and 1,220.48

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Solution

The fourth proportional to 2,316.08, 3,474.96 and 1,220.48 is: 1,831.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.08 : 3,474.96 = 1,220.48 : x
  2. Step 2: Convert to fraction form
    2,316.08/3,474.96 = 1,220.48/x
  3. Step 3: Cross multiply
    2,316.08x = 3,474.96 × 1,220.48
  4. Step 4: Simplify right side
    2,316.08x = 4,241,119.18
  5. Step 5: Solve for x
    x = 4,241,119.18/2,316.08
  6. Step 6: Final answer
    x = 1,831.16

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1.5x scale

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.