Home / 1,052.52-1,578.78-1,051

Finding the Fourth Proportional to 1,052.52, 1,578.78 and 1,051

Calculator

Solution

The fourth proportional to 1,052.52, 1,578.78 and 1,051 is: 1,576.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.52 : 1,578.78 = 1,051 : x
  2. Step 2: Convert to fraction form
    1,052.52/1,578.78 = 1,051/x
  3. Step 3: Cross multiply
    1,052.52x = 1,578.78 × 1,051
  4. Step 4: Simplify right side
    1,052.52x = 1,659,297.78
  5. Step 5: Solve for x
    x = 1,659,297.78/1,052.52
  6. Step 6: Final answer
    x = 1,576.50

Related Problems

Find fourth proportional to 526.26, 789.39 and 525.50
Half scale
Find fourth proportional to 2,105.04, 3,157.56 and 2,102
Double scale
Find fourth proportional to 1,053.52, 1,580.28 and 1,052
Similar ratio
Find fourth proportional to 1,578.78, 2,368.17 and 1,576.50
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.