Home / 2,409.35-3,324.65-1,347.15

Finding the Fourth Proportional to 2,409.35, 3,324.65 and 1,347.15

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Solution

The fourth proportional to 2,409.35, 3,324.65 and 1,347.15 is: 1,858.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.35 : 3,324.65 = 1,347.15 : x
  2. Step 2: Convert to fraction form
    2,409.35/3,324.65 = 1,347.15/x
  3. Step 3: Cross multiply
    2,409.35x = 3,324.65 × 1,347.15
  4. Step 4: Simplify right side
    2,409.35x = 4,478,795.51
  5. Step 5: Solve for x
    x = 4,478,795.51/2,409.35
  6. Step 6: Final answer
    x = 1,858.93

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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.