Home / 1,576.68-2,175.83-904.51

Finding the Fourth Proportional to 1,576.68, 2,175.83 and 904.51

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Solution

The fourth proportional to 1,576.68, 2,175.83 and 904.51 is: 1,248.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.68 : 2,175.83 = 904.51 : x
  2. Step 2: Convert to fraction form
    1,576.68/2,175.83 = 904.51/x
  3. Step 3: Cross multiply
    1,576.68x = 2,175.83 × 904.51
  4. Step 4: Simplify right side
    1,576.68x = 1,968,055.47
  5. Step 5: Solve for x
    x = 1,968,055.47/1,576.68
  6. Step 6: Final answer
    x = 1,248.23

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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.