Home / 2,488.23-3,437.64-2,119.14

Finding the Fourth Proportional to 2,488.23, 3,437.64 and 2,119.14

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Solution

The fourth proportional to 2,488.23, 3,437.64 and 2,119.14 is: 2,927.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.23 : 3,437.64 = 2,119.14 : x
  2. Step 2: Convert to fraction form
    2,488.23/3,437.64 = 2,119.14/x
  3. Step 3: Cross multiply
    2,488.23x = 3,437.64 × 2,119.14
  4. Step 4: Simplify right side
    2,488.23x = 7,284,840.43
  5. Step 5: Solve for x
    x = 7,284,840.43/2,488.23
  6. Step 6: Final answer
    x = 2,927.72

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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.