Home / 2,202.02-3,038.79-1,207.31

Finding the Fourth Proportional to 2,202.02, 3,038.79 and 1,207.31

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Solution

The fourth proportional to 2,202.02, 3,038.79 and 1,207.31 is: 1,666.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.02 : 3,038.79 = 1,207.31 : x
  2. Step 2: Convert to fraction form
    2,202.02/3,038.79 = 1,207.31/x
  3. Step 3: Cross multiply
    2,202.02x = 3,038.79 × 1,207.31
  4. Step 4: Simplify right side
    2,202.02x = 3,668,746.36
  5. Step 5: Solve for x
    x = 3,668,746.36/2,202.02
  6. Step 6: Final answer
    x = 1,666.09

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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.