Home / 1,097.73-1,646.60-276

Finding the Fourth Proportional to 1,097.73, 1,646.60 and 276

Calculator

Solution

The fourth proportional to 1,097.73, 1,646.60 and 276 is: 414

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097.73 : 1,646.60 = 276 : x
  2. Step 2: Convert to fraction form
    1,097.73/1,646.60 = 276/x
  3. Step 3: Cross multiply
    1,097.73x = 1,646.60 × 276
  4. Step 4: Simplify right side
    1,097.73x = 454,460.22
  5. Step 5: Solve for x
    x = 454,460.22/1,097.73
  6. Step 6: Final answer
    x = 414

Related Problems

Find fourth proportional to 548.87, 823.30 and 138
Half scale
Find fourth proportional to 2,195.46, 3,293.19 and 552
Double scale
Find fourth proportional to 1,098.73, 1,648.10 and 277
Similar ratio
Find fourth proportional to 1,646.60, 2,469.89 and 414
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.