Home / 2,180.16-3,007.64-1,295.46

Finding the Fourth Proportional to 2,180.16, 3,007.64 and 1,295.46

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Solution

The fourth proportional to 2,180.16, 3,007.64 and 1,295.46 is: 1,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.16 : 3,007.64 = 1,295.46 : x
  2. Step 2: Convert to fraction form
    2,180.16/3,007.64 = 1,295.46/x
  3. Step 3: Cross multiply
    2,180.16x = 3,007.64 × 1,295.46
  4. Step 4: Simplify right side
    2,180.16x = 3,896,277.31
  5. Step 5: Solve for x
    x = 3,896,277.31/2,180.16
  6. Step 6: Final answer
    x = 1,787.15

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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.