Home / 3,356.37-5,035.27-1,407.45

Finding the Fourth Proportional to 3,356.37, 5,035.27 and 1,407.45

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Solution

The fourth proportional to 3,356.37, 5,035.27 and 1,407.45 is: 2,111.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.37 : 5,035.27 = 1,407.45 : x
  2. Step 2: Convert to fraction form
    3,356.37/5,035.27 = 1,407.45/x
  3. Step 3: Cross multiply
    3,356.37x = 5,035.27 × 1,407.45
  4. Step 4: Simplify right side
    3,356.37x = 7,086,862.07
  5. Step 5: Solve for x
    x = 7,086,862.07/3,356.37
  6. Step 6: Final answer
    x = 2,111.47

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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.