Home / 2,031.85-2,806.29-1,558.74

Finding the Fourth Proportional to 2,031.85, 2,806.29 and 1,558.74

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Solution

The fourth proportional to 2,031.85, 2,806.29 and 1,558.74 is: 2,152.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.85 : 2,806.29 = 1,558.74 : x
  2. Step 2: Convert to fraction form
    2,031.85/2,806.29 = 1,558.74/x
  3. Step 3: Cross multiply
    2,031.85x = 2,806.29 × 1,558.74
  4. Step 4: Simplify right side
    2,031.85x = 4,374,268.68
  5. Step 5: Solve for x
    x = 4,374,268.68/2,031.85
  6. Step 6: Final answer
    x = 2,152.86

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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.