Home / 1,629.68-2,247.33-1,040

Finding the Fourth Proportional to 1,629.68, 2,247.33 and 1,040

Calculator

Solution

The fourth proportional to 1,629.68, 2,247.33 and 1,040 is: 1,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.68 : 2,247.33 = 1,040 : x
  2. Step 2: Convert to fraction form
    1,629.68/2,247.33 = 1,040/x
  3. Step 3: Cross multiply
    1,629.68x = 2,247.33 × 1,040
  4. Step 4: Simplify right side
    1,629.68x = 2,337,223.20
  5. Step 5: Solve for x
    x = 2,337,223.20/1,629.68
  6. Step 6: Final answer
    x = 1,434.16

Related Problems

Find fourth proportional to 814.84, 1,123.67 and 520
Half scale
Find fourth proportional to 3,259.36, 4,494.66 and 2,080
Double scale
Find fourth proportional to 1,630.68, 2,248.71 and 1,041
Similar ratio
Find fourth proportional to 2,444.52, 3,371.00 and 1,560
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.