Home / 1,792.80-2,462.40-1,749.60

Finding the Fourth Proportional to 1,792.80, 2,462.40 and 1,749.60

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Solution

The fourth proportional to 1,792.80, 2,462.40 and 1,749.60 is: 2,403.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792.80 : 2,462.40 = 1,749.60 : x
  2. Step 2: Convert to fraction form
    1,792.80/2,462.40 = 1,749.60/x
  3. Step 3: Cross multiply
    1,792.80x = 2,462.40 × 1,749.60
  4. Step 4: Simplify right side
    1,792.80x = 4,308,215.04
  5. Step 5: Solve for x
    x = 4,308,215.04/1,792.80
  6. Step 6: Final answer
    x = 2,403.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.