Home / 2,980.63-4,113.07-1,802.35

Finding the Fourth Proportional to 2,980.63, 4,113.07 and 1,802.35

Calculator

Solution

The fourth proportional to 2,980.63, 4,113.07 and 1,802.35 is: 2,487.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.63 : 4,113.07 = 1,802.35 : x
  2. Step 2: Convert to fraction form
    2,980.63/4,113.07 = 1,802.35/x
  3. Step 3: Cross multiply
    2,980.63x = 4,113.07 × 1,802.35
  4. Step 4: Simplify right side
    2,980.63x = 7,413,191.71
  5. Step 5: Solve for x
    x = 7,413,191.71/2,980.63
  6. Step 6: Final answer
    x = 2,487.12

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.