Home / 3,031.04-4,181.16-1,852.40

Finding the Fourth Proportional to 3,031.04, 4,181.16 and 1,852.40

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Solution

The fourth proportional to 3,031.04, 4,181.16 and 1,852.40 is: 2,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.04 : 4,181.16 = 1,852.40 : x
  2. Step 2: Convert to fraction form
    3,031.04/4,181.16 = 1,852.40/x
  3. Step 3: Cross multiply
    3,031.04x = 4,181.16 × 1,852.40
  4. Step 4: Simplify right side
    3,031.04x = 7,745,180.78
  5. Step 5: Solve for x
    x = 7,745,180.78/3,031.04
  6. Step 6: Final answer
    x = 2,555.29

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1.5x scale

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.