Home / 1,504.23-2,075.84-841.11

Finding the Fourth Proportional to 1,504.23, 2,075.84 and 841.11

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Solution

The fourth proportional to 1,504.23, 2,075.84 and 841.11 is: 1,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.23 : 2,075.84 = 841.11 : x
  2. Step 2: Convert to fraction form
    1,504.23/2,075.84 = 841.11/x
  3. Step 3: Cross multiply
    1,504.23x = 2,075.84 × 841.11
  4. Step 4: Simplify right side
    1,504.23x = 1,746,009.78
  5. Step 5: Solve for x
    x = 1,746,009.78/1,504.23
  6. Step 6: Final answer
    x = 1,160.73

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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.