Home / 1,767.04-2,438.78-1,021.03

Finding the Fourth Proportional to 1,767.04, 2,438.78 and 1,021.03

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Solution

The fourth proportional to 1,767.04, 2,438.78 and 1,021.03 is: 1,409.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.04 : 2,438.78 = 1,021.03 : x
  2. Step 2: Convert to fraction form
    1,767.04/2,438.78 = 1,021.03/x
  3. Step 3: Cross multiply
    1,767.04x = 2,438.78 × 1,021.03
  4. Step 4: Simplify right side
    1,767.04x = 2,490,056.34
  5. Step 5: Solve for x
    x = 2,490,056.34/1,767.04
  6. Step 6: Final answer
    x = 1,409.17

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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.