Home / 2,827.18-3,904.55-2,205.10

Finding the Fourth Proportional to 2,827.18, 3,904.55 and 2,205.10

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Solution

The fourth proportional to 2,827.18, 3,904.55 and 2,205.10 is: 3,045.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.18 : 3,904.55 = 2,205.10 : x
  2. Step 2: Convert to fraction form
    2,827.18/3,904.55 = 2,205.10/x
  3. Step 3: Cross multiply
    2,827.18x = 3,904.55 × 2,205.10
  4. Step 4: Simplify right side
    2,827.18x = 8,609,909.19
  5. Step 5: Solve for x
    x = 8,609,909.19/2,827.18
  6. Step 6: Final answer
    x = 3,045.41

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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.