Home / 1,575.76-2,364.75-1,271.29

Finding the Fourth Proportional to 1,575.76, 2,364.75 and 1,271.29

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Solution

The fourth proportional to 1,575.76, 2,364.75 and 1,271.29 is: 1,907.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.76 : 2,364.75 = 1,271.29 : x
  2. Step 2: Convert to fraction form
    1,575.76/2,364.75 = 1,271.29/x
  3. Step 3: Cross multiply
    1,575.76x = 2,364.75 × 1,271.29
  4. Step 4: Simplify right side
    1,575.76x = 3,006,283.03
  5. Step 5: Solve for x
    x = 3,006,283.03/1,575.76
  6. Step 6: Final answer
    x = 1,907.83

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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.