Home / 1,450.98-2,176.62-477.15

Finding the Fourth Proportional to 1,450.98, 2,176.62 and 477.15

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Solution

The fourth proportional to 1,450.98, 2,176.62 and 477.15 is: 715.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.98 : 2,176.62 = 477.15 : x
  2. Step 2: Convert to fraction form
    1,450.98/2,176.62 = 477.15/x
  3. Step 3: Cross multiply
    1,450.98x = 2,176.62 × 477.15
  4. Step 4: Simplify right side
    1,450.98x = 1,038,574.23
  5. Step 5: Solve for x
    x = 1,038,574.23/1,450.98
  6. Step 6: Final answer
    x = 715.77

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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.