Home / 2,673.06-3,688.80-1,478.13

Finding the Fourth Proportional to 2,673.06, 3,688.80 and 1,478.13

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Solution

The fourth proportional to 2,673.06, 3,688.80 and 1,478.13 is: 2,039.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.06 : 3,688.80 = 1,478.13 : x
  2. Step 2: Convert to fraction form
    2,673.06/3,688.80 = 1,478.13/x
  3. Step 3: Cross multiply
    2,673.06x = 3,688.80 × 1,478.13
  4. Step 4: Simplify right side
    2,673.06x = 5,452,525.94
  5. Step 5: Solve for x
    x = 5,452,525.94/2,673.06
  6. Step 6: Final answer
    x = 2,039.81

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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.