Home / 2,203.28-3,030.38-1,802.06

Finding the Fourth Proportional to 2,203.28, 3,030.38 and 1,802.06

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Solution

The fourth proportional to 2,203.28, 3,030.38 and 1,802.06 is: 2,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.28 : 3,030.38 = 1,802.06 : x
  2. Step 2: Convert to fraction form
    2,203.28/3,030.38 = 1,802.06/x
  3. Step 3: Cross multiply
    2,203.28x = 3,030.38 × 1,802.06
  4. Step 4: Simplify right side
    2,203.28x = 5,460,902.42
  5. Step 5: Solve for x
    x = 5,460,902.42/2,203.28
  6. Step 6: Final answer
    x = 2,478.54

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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.