Home / 1,851.51-2,555.26-1,012.34

Finding the Fourth Proportional to 1,851.51, 2,555.26 and 1,012.34

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Solution

The fourth proportional to 1,851.51, 2,555.26 and 1,012.34 is: 1,397.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.51 : 2,555.26 = 1,012.34 : x
  2. Step 2: Convert to fraction form
    1,851.51/2,555.26 = 1,012.34/x
  3. Step 3: Cross multiply
    1,851.51x = 2,555.26 × 1,012.34
  4. Step 4: Simplify right side
    1,851.51x = 2,586,791.91
  5. Step 5: Solve for x
    x = 2,586,791.91/1,851.51
  6. Step 6: Final answer
    x = 1,397.13

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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.