Home / 1,415.26-1,948.93-1,325

Finding the Fourth Proportional to 1,415.26, 1,948.93 and 1,325

Calculator

Solution

The fourth proportional to 1,415.26, 1,948.93 and 1,325 is: 1,824.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415.26 : 1,948.93 = 1,325 : x
  2. Step 2: Convert to fraction form
    1,415.26/1,948.93 = 1,325/x
  3. Step 3: Cross multiply
    1,415.26x = 1,948.93 × 1,325
  4. Step 4: Simplify right side
    1,415.26x = 2,582,332.25
  5. Step 5: Solve for x
    x = 2,582,332.25/1,415.26
  6. Step 6: Final answer
    x = 1,824.63

Related Problems

Find fourth proportional to 707.63, 974.47 and 662.50
Half scale
Find fourth proportional to 2,830.52, 3,897.86 and 2,650
Double scale
Find fourth proportional to 1,416.26, 1,950.31 and 1,326
Similar ratio
Find fourth proportional to 2,122.89, 2,923.40 and 1,987.50
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.