Home / 1,357.19-2,036.27-535

Finding the Fourth Proportional to 1,357.19, 2,036.27 and 535

Calculator

Solution

The fourth proportional to 1,357.19, 2,036.27 and 535 is: 802.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357.19 : 2,036.27 = 535 : x
  2. Step 2: Convert to fraction form
    1,357.19/2,036.27 = 535/x
  3. Step 3: Cross multiply
    1,357.19x = 2,036.27 × 535
  4. Step 4: Simplify right side
    1,357.19x = 1,089,401.78
  5. Step 5: Solve for x
    x = 1,089,401.78/1,357.19
  6. Step 6: Final answer
    x = 802.69

Related Problems

Find fourth proportional to 678.59, 1,018.13 and 267.50
Half scale
Find fourth proportional to 2,714.37, 4,072.53 and 1,070
Double scale
Find fourth proportional to 1,358.19, 2,037.77 and 536
Similar ratio
Find fourth proportional to 2,035.78, 3,054.40 and 802.50
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.