Home / 2,435.07-3,646.75-1,391.91

Finding the Fourth Proportional to 2,435.07, 3,646.75 and 1,391.91

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Solution

The fourth proportional to 2,435.07, 3,646.75 and 1,391.91 is: 2,084.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.07 : 3,646.75 = 1,391.91 : x
  2. Step 2: Convert to fraction form
    2,435.07/3,646.75 = 1,391.91/x
  3. Step 3: Cross multiply
    2,435.07x = 3,646.75 × 1,391.91
  4. Step 4: Simplify right side
    2,435.07x = 5,075,945.46
  5. Step 5: Solve for x
    x = 5,075,945.46/2,435.07
  6. Step 6: Final answer
    x = 2,084.52

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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.