Home / 2,045.52-2,823.66-1,520.64

Finding the Fourth Proportional to 2,045.52, 2,823.66 and 1,520.64

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Solution

The fourth proportional to 2,045.52, 2,823.66 and 1,520.64 is: 2,099.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.52 : 2,823.66 = 1,520.64 : x
  2. Step 2: Convert to fraction form
    2,045.52/2,823.66 = 1,520.64/x
  3. Step 3: Cross multiply
    2,045.52x = 2,823.66 × 1,520.64
  4. Step 4: Simplify right side
    2,045.52x = 4,293,770.34
  5. Step 5: Solve for x
    x = 4,293,770.34/2,045.52
  6. Step 6: Final answer
    x = 2,099.11

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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.