Home / 2,880.92-3,974.64-1,887.50

Finding the Fourth Proportional to 2,880.92, 3,974.64 and 1,887.50

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Solution

The fourth proportional to 2,880.92, 3,974.64 and 1,887.50 is: 2,604.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.92 : 3,974.64 = 1,887.50 : x
  2. Step 2: Convert to fraction form
    2,880.92/3,974.64 = 1,887.50/x
  3. Step 3: Cross multiply
    2,880.92x = 3,974.64 × 1,887.50
  4. Step 4: Simplify right side
    2,880.92x = 7,502,133
  5. Step 5: Solve for x
    x = 7,502,133/2,880.92
  6. Step 6: Final answer
    x = 2,604.08

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1.5x scale

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.