Home / 1,067.62-1,601.74-451

Finding the Fourth Proportional to 1,067.62, 1,601.74 and 451

Calculator

Solution

The fourth proportional to 1,067.62, 1,601.74 and 451 is: 676.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.62 : 1,601.74 = 451 : x
  2. Step 2: Convert to fraction form
    1,067.62/1,601.74 = 451/x
  3. Step 3: Cross multiply
    1,067.62x = 1,601.74 × 451
  4. Step 4: Simplify right side
    1,067.62x = 722,384.74
  5. Step 5: Solve for x
    x = 722,384.74/1,067.62
  6. Step 6: Final answer
    x = 676.63

Related Problems

Find fourth proportional to 533.81, 800.87 and 225.50
Half scale
Find fourth proportional to 2,135.24, 3,203.48 and 902
Double scale
Find fourth proportional to 1,068.62, 1,603.24 and 452
Similar ratio
Find fourth proportional to 1,601.43, 2,402.61 and 676.50
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.