Home / 2,031.04-3,047.18-860.43

Finding the Fourth Proportional to 2,031.04, 3,047.18 and 860.43

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Solution

The fourth proportional to 2,031.04, 3,047.18 and 860.43 is: 1,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.04 : 3,047.18 = 860.43 : x
  2. Step 2: Convert to fraction form
    2,031.04/3,047.18 = 860.43/x
  3. Step 3: Cross multiply
    2,031.04x = 3,047.18 × 860.43
  4. Step 4: Simplify right side
    2,031.04x = 2,621,880.79
  5. Step 5: Solve for x
    x = 2,621,880.79/2,031.04
  6. Step 6: Final answer
    x = 1,290.91

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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.