Home / 2,888.55-4,330.08-2,146.23

Finding the Fourth Proportional to 2,888.55, 4,330.08 and 2,146.23

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Solution

The fourth proportional to 2,888.55, 4,330.08 and 2,146.23 is: 3,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.55 : 4,330.08 = 2,146.23 : x
  2. Step 2: Convert to fraction form
    2,888.55/4,330.08 = 2,146.23/x
  3. Step 3: Cross multiply
    2,888.55x = 4,330.08 × 2,146.23
  4. Step 4: Simplify right side
    2,888.55x = 9,293,347.60
  5. Step 5: Solve for x
    x = 9,293,347.60/2,888.55
  6. Step 6: Final answer
    x = 3,217.31

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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.