Home / 2,870.54-4,307.63-2,691.93

Finding the Fourth Proportional to 2,870.54, 4,307.63 and 2,691.93

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Solution

The fourth proportional to 2,870.54, 4,307.63 and 2,691.93 is: 4,039.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870.54 : 4,307.63 = 2,691.93 : x
  2. Step 2: Convert to fraction form
    2,870.54/4,307.63 = 2,691.93/x
  3. Step 3: Cross multiply
    2,870.54x = 4,307.63 × 2,691.93
  4. Step 4: Simplify right side
    2,870.54x = 11,595,856.26
  5. Step 5: Solve for x
    x = 11,595,856.26/2,870.54
  6. Step 6: Final answer
    x = 4,039.61

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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.