Home / 2,115.69-2,925.23-1,852.95

Finding the Fourth Proportional to 2,115.69, 2,925.23 and 1,852.95

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Solution

The fourth proportional to 2,115.69, 2,925.23 and 1,852.95 is: 2,561.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115.69 : 2,925.23 = 1,852.95 : x
  2. Step 2: Convert to fraction form
    2,115.69/2,925.23 = 1,852.95/x
  3. Step 3: Cross multiply
    2,115.69x = 2,925.23 × 1,852.95
  4. Step 4: Simplify right side
    2,115.69x = 5,420,307.18
  5. Step 5: Solve for x
    x = 5,420,307.18/2,115.69
  6. Step 6: Final answer
    x = 2,561.96

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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.