Home / 1,461.48-2,190.78-1,202.28

Finding the Fourth Proportional to 1,461.48, 2,190.78 and 1,202.28

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Solution

The fourth proportional to 1,461.48, 2,190.78 and 1,202.28 is: 1,802.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.48 : 2,190.78 = 1,202.28 : x
  2. Step 2: Convert to fraction form
    1,461.48/2,190.78 = 1,202.28/x
  3. Step 3: Cross multiply
    1,461.48x = 2,190.78 × 1,202.28
  4. Step 4: Simplify right side
    1,461.48x = 2,633,930.98
  5. Step 5: Solve for x
    x = 2,633,930.98/1,461.48
  6. Step 6: Final answer
    x = 1,802.24

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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.