Home / 3,045.60-4,568.40-1,814.40

Finding the Fourth Proportional to 3,045.60, 4,568.40 and 1,814.40

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Solution

The fourth proportional to 3,045.60, 4,568.40 and 1,814.40 is: 2,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.60 : 4,568.40 = 1,814.40 : x
  2. Step 2: Convert to fraction form
    3,045.60/4,568.40 = 1,814.40/x
  3. Step 3: Cross multiply
    3,045.60x = 4,568.40 × 1,814.40
  4. Step 4: Simplify right side
    3,045.60x = 8,288,904.96
  5. Step 5: Solve for x
    x = 8,288,904.96/3,045.60
  6. Step 6: Final answer
    x = 2,721.60

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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.