Home / 2,147.36-2,959.31-1,475.36

Finding the Fourth Proportional to 2,147.36, 2,959.31 and 1,475.36

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Solution

The fourth proportional to 2,147.36, 2,959.31 and 1,475.36 is: 2,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.36 : 2,959.31 = 1,475.36 : x
  2. Step 2: Convert to fraction form
    2,147.36/2,959.31 = 1,475.36/x
  3. Step 3: Cross multiply
    2,147.36x = 2,959.31 × 1,475.36
  4. Step 4: Simplify right side
    2,147.36x = 4,366,036.49
  5. Step 5: Solve for x
    x = 4,366,036.49/2,147.36
  6. Step 6: Final answer
    x = 2,033.22

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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.