Home / 2,557.59-3,836.39-1,019.67

Finding the Fourth Proportional to 2,557.59, 3,836.39 and 1,019.67

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Solution

The fourth proportional to 2,557.59, 3,836.39 and 1,019.67 is: 1,529.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.59 : 3,836.39 = 1,019.67 : x
  2. Step 2: Convert to fraction form
    2,557.59/3,836.39 = 1,019.67/x
  3. Step 3: Cross multiply
    2,557.59x = 3,836.39 × 1,019.67
  4. Step 4: Simplify right side
    2,557.59x = 3,911,866.82
  5. Step 5: Solve for x
    x = 3,911,866.82/2,557.59
  6. Step 6: Final answer
    x = 1,529.51

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Double scale
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Similar ratio
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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.