Home / 1,880.95-2,595.14-1,216.75

Finding the Fourth Proportional to 1,880.95, 2,595.14 and 1,216.75

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Solution

The fourth proportional to 1,880.95, 2,595.14 and 1,216.75 is: 1,678.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880.95 : 2,595.14 = 1,216.75 : x
  2. Step 2: Convert to fraction form
    1,880.95/2,595.14 = 1,216.75/x
  3. Step 3: Cross multiply
    1,880.95x = 2,595.14 × 1,216.75
  4. Step 4: Simplify right side
    1,880.95x = 3,157,626.66
  5. Step 5: Solve for x
    x = 3,157,626.66/1,880.95
  6. Step 6: Final answer
    x = 1,678.74

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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.