Home / 1,895-2,842.50-527

Finding the Fourth Proportional to 1,895, 2,842.50 and 527

Calculator

Solution

The fourth proportional to 1,895, 2,842.50 and 527 is: 790.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895 : 2,842.50 = 527 : x
  2. Step 2: Convert to fraction form
    1,895/2,842.50 = 527/x
  3. Step 3: Cross multiply
    1,895x = 2,842.50 × 527
  4. Step 4: Simplify right side
    1,895x = 1,497,997.50
  5. Step 5: Solve for x
    x = 1,497,997.50/1,895
  6. Step 6: Final answer
    x = 790.50

Related Problems

Find fourth proportional to 947.50, 1,421.25 and 263.50
Half scale
Find fourth proportional to 3,790, 5,685 and 1,054
Double scale
Find fourth proportional to 1,896, 2,844 and 528
Similar ratio
Find fourth proportional to 2,842.50, 4,263.75 and 790.50
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.