Home / 2,217.60-3,038.09-2,134.51

Finding the Fourth Proportional to 2,217.60, 3,038.09 and 2,134.51

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Solution

The fourth proportional to 2,217.60, 3,038.09 and 2,134.51 is: 2,924.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.60 : 3,038.09 = 2,134.51 : x
  2. Step 2: Convert to fraction form
    2,217.60/3,038.09 = 2,134.51/x
  3. Step 3: Cross multiply
    2,217.60x = 3,038.09 × 2,134.51
  4. Step 4: Simplify right side
    2,217.60x = 6,484,815.22
  5. Step 5: Solve for x
    x = 6,484,815.22/2,217.60
  6. Step 6: Final answer
    x = 2,924.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.