Home / 1,053.37-1,580.28-323

Finding the Fourth Proportional to 1,053.37, 1,580.28 and 323

Calculator

Solution

The fourth proportional to 1,053.37, 1,580.28 and 323 is: 484.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.37 : 1,580.28 = 323 : x
  2. Step 2: Convert to fraction form
    1,053.37/1,580.28 = 323/x
  3. Step 3: Cross multiply
    1,053.37x = 1,580.28 × 323
  4. Step 4: Simplify right side
    1,053.37x = 510,430.44
  5. Step 5: Solve for x
    x = 510,430.44/1,053.37
  6. Step 6: Final answer
    x = 484.57

Related Problems

Find fourth proportional to 526.69, 790.14 and 161.50
Half scale
Find fourth proportional to 2,106.74, 3,160.56 and 646
Double scale
Find fourth proportional to 1,054.37, 1,581.78 and 324
Similar ratio
Find fourth proportional to 1,580.06, 2,370.42 and 484.50
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.