Home / 1,739.05-2,602.04-1,220.07

Finding the Fourth Proportional to 1,739.05, 2,602.04 and 1,220.07

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Solution

The fourth proportional to 1,739.05, 2,602.04 and 1,220.07 is: 1,825.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.05 : 2,602.04 = 1,220.07 : x
  2. Step 2: Convert to fraction form
    1,739.05/2,602.04 = 1,220.07/x
  3. Step 3: Cross multiply
    1,739.05x = 2,602.04 × 1,220.07
  4. Step 4: Simplify right side
    1,739.05x = 3,174,670.94
  5. Step 5: Solve for x
    x = 3,174,670.94/1,739.05
  6. Step 6: Final answer
    x = 1,825.52

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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.