Home / 1,490.54-2,235.56-394.92

Finding the Fourth Proportional to 1,490.54, 2,235.56 and 394.92

Calculator

Solution

The fourth proportional to 1,490.54, 2,235.56 and 394.92 is: 592.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.54 : 2,235.56 = 394.92 : x
  2. Step 2: Convert to fraction form
    1,490.54/2,235.56 = 394.92/x
  3. Step 3: Cross multiply
    1,490.54x = 2,235.56 × 394.92
  4. Step 4: Simplify right side
    1,490.54x = 882,865.38
  5. Step 5: Solve for x
    x = 882,865.38/1,490.54
  6. Step 6: Final answer
    x = 592.31

Related Problems

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.