Home / 1,738-2,607-522

Finding the Fourth Proportional to 1,738, 2,607 and 522

Calculator

Solution

The fourth proportional to 1,738, 2,607 and 522 is: 783

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738 : 2,607 = 522 : x
  2. Step 2: Convert to fraction form
    1,738/2,607 = 522/x
  3. Step 3: Cross multiply
    1,738x = 2,607 × 522
  4. Step 4: Simplify right side
    1,738x = 1,360,854
  5. Step 5: Solve for x
    x = 1,360,854/1,738
  6. Step 6: Final answer
    x = 783

Related Problems

Find fourth proportional to 869, 1,303.50 and 261
Half scale
Find fourth proportional to 3,476, 5,214 and 1,044
Double scale
Find fourth proportional to 1,739, 2,608.50 and 523
Similar ratio
Find fourth proportional to 2,607, 3,910.50 and 783
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.