Home / 3,066.02-4,230.93-1,739.78

Finding the Fourth Proportional to 3,066.02, 4,230.93 and 1,739.78

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Solution

The fourth proportional to 3,066.02, 4,230.93 and 1,739.78 is: 2,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.02 : 4,230.93 = 1,739.78 : x
  2. Step 2: Convert to fraction form
    3,066.02/4,230.93 = 1,739.78/x
  3. Step 3: Cross multiply
    3,066.02x = 4,230.93 × 1,739.78
  4. Step 4: Simplify right side
    3,066.02x = 7,360,887.40
  5. Step 5: Solve for x
    x = 7,360,887.40/3,066.02
  6. Step 6: Final answer
    x = 2,400.80

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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.