Home / 2,549.58-3,818.79-1,572.72

Finding the Fourth Proportional to 2,549.58, 3,818.79 and 1,572.72

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Solution

The fourth proportional to 2,549.58, 3,818.79 and 1,572.72 is: 2,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.58 : 3,818.79 = 1,572.72 : x
  2. Step 2: Convert to fraction form
    2,549.58/3,818.79 = 1,572.72/x
  3. Step 3: Cross multiply
    2,549.58x = 3,818.79 × 1,572.72
  4. Step 4: Simplify right side
    2,549.58x = 6,005,887.41
  5. Step 5: Solve for x
    x = 6,005,887.41/2,549.58
  6. Step 6: Final answer
    x = 2,355.64

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1.5x scale

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.