Home / 2,176.60-3,264.90-1,354.45

Finding the Fourth Proportional to 2,176.60, 3,264.90 and 1,354.45

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Solution

The fourth proportional to 2,176.60, 3,264.90 and 1,354.45 is: 2,031.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.60 : 3,264.90 = 1,354.45 : x
  2. Step 2: Convert to fraction form
    2,176.60/3,264.90 = 1,354.45/x
  3. Step 3: Cross multiply
    2,176.60x = 3,264.90 × 1,354.45
  4. Step 4: Simplify right side
    2,176.60x = 4,422,143.81
  5. Step 5: Solve for x
    x = 4,422,143.81/2,176.60
  6. Step 6: Final answer
    x = 2,031.68

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1.5x scale

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.