Home / 1,788.47-2,466.48-1,490.71

Finding the Fourth Proportional to 1,788.47, 2,466.48 and 1,490.71

Calculator

Solution

The fourth proportional to 1,788.47, 2,466.48 and 1,490.71 is: 2,055.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.47 : 2,466.48 = 1,490.71 : x
  2. Step 2: Convert to fraction form
    1,788.47/2,466.48 = 1,490.71/x
  3. Step 3: Cross multiply
    1,788.47x = 2,466.48 × 1,490.71
  4. Step 4: Simplify right side
    1,788.47x = 3,676,786.61
  5. Step 5: Solve for x
    x = 3,676,786.61/1,788.47
  6. Step 6: Final answer
    x = 2,055.83

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.