Home / 1,417.45-2,126.33-377.49

Finding the Fourth Proportional to 1,417.45, 2,126.33 and 377.49

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Solution

The fourth proportional to 1,417.45, 2,126.33 and 377.49 is: 566.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.45 : 2,126.33 = 377.49 : x
  2. Step 2: Convert to fraction form
    1,417.45/2,126.33 = 377.49/x
  3. Step 3: Cross multiply
    1,417.45x = 2,126.33 × 377.49
  4. Step 4: Simplify right side
    1,417.45x = 802,662.05
  5. Step 5: Solve for x
    x = 802,662.05/1,417.45
  6. Step 6: Final answer
    x = 566.27

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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.