Home / 1,710.40-2,565.96-1,435

Finding the Fourth Proportional to 1,710.40, 2,565.96 and 1,435

Calculator

Solution

The fourth proportional to 1,710.40, 2,565.96 and 1,435 is: 2,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710.40 : 2,565.96 = 1,435 : x
  2. Step 2: Convert to fraction form
    1,710.40/2,565.96 = 1,435/x
  3. Step 3: Cross multiply
    1,710.40x = 2,565.96 × 1,435
  4. Step 4: Simplify right side
    1,710.40x = 3,682,152.60
  5. Step 5: Solve for x
    x = 3,682,152.60/1,710.40
  6. Step 6: Final answer
    x = 2,152.80

Related Problems

Find fourth proportional to 855.20, 1,282.98 and 717.50
Half scale
Find fourth proportional to 3,420.80, 5,131.92 and 2,870
Double scale
Find fourth proportional to 1,711.40, 2,567.46 and 1,436
Similar ratio
Find fourth proportional to 2,565.60, 3,848.94 and 2,152.50
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.