Home / 1,583.31-2,359.47-1,531.08

Finding the Fourth Proportional to 1,583.31, 2,359.47 and 1,531.08

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Solution

The fourth proportional to 1,583.31, 2,359.47 and 1,531.08 is: 2,281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.31 : 2,359.47 = 1,531.08 : x
  2. Step 2: Convert to fraction form
    1,583.31/2,359.47 = 1,531.08/x
  3. Step 3: Cross multiply
    1,583.31x = 2,359.47 × 1,531.08
  4. Step 4: Simplify right side
    1,583.31x = 3,612,537.33
  5. Step 5: Solve for x
    x = 3,612,537.33/1,583.31
  6. Step 6: Final answer
    x = 2,281.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.