Home / 2,547.09-3,803.39-2,021.19

Finding the Fourth Proportional to 2,547.09, 3,803.39 and 2,021.19

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Solution

The fourth proportional to 2,547.09, 3,803.39 and 2,021.19 is: 3,018.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.09 : 3,803.39 = 2,021.19 : x
  2. Step 2: Convert to fraction form
    2,547.09/3,803.39 = 2,021.19/x
  3. Step 3: Cross multiply
    2,547.09x = 3,803.39 × 2,021.19
  4. Step 4: Simplify right side
    2,547.09x = 7,687,349.47
  5. Step 5: Solve for x
    x = 7,687,349.47/2,547.09
  6. Step 6: Final answer
    x = 3,018.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.