Home / 3,031.79-4,180.91-2,368.40

Finding the Fourth Proportional to 3,031.79, 4,180.91 and 2,368.40

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Solution

The fourth proportional to 3,031.79, 4,180.91 and 2,368.40 is: 3,266.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.79 : 4,180.91 = 2,368.40 : x
  2. Step 2: Convert to fraction form
    3,031.79/4,180.91 = 2,368.40/x
  3. Step 3: Cross multiply
    3,031.79x = 4,180.91 × 2,368.40
  4. Step 4: Simplify right side
    3,031.79x = 9,902,034.50
  5. Step 5: Solve for x
    x = 9,902,034.50/3,031.79
  6. Step 6: Final answer
    x = 3,266.07

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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.