Home / 2,031.93-2,804.10-1,147.74

Finding the Fourth Proportional to 2,031.93, 2,804.10 and 1,147.74

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Solution

The fourth proportional to 2,031.93, 2,804.10 and 1,147.74 is: 1,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.93 : 2,804.10 = 1,147.74 : x
  2. Step 2: Convert to fraction form
    2,031.93/2,804.10 = 1,147.74/x
  3. Step 3: Cross multiply
    2,031.93x = 2,804.10 × 1,147.74
  4. Step 4: Simplify right side
    2,031.93x = 3,218,377.73
  5. Step 5: Solve for x
    x = 3,218,377.73/2,031.93
  6. Step 6: Final answer
    x = 1,583.90

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1.5x scale

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.