Home / 2,072.13-2,859.58-1,140.63

Finding the Fourth Proportional to 2,072.13, 2,859.58 and 1,140.63

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Solution

The fourth proportional to 2,072.13, 2,859.58 and 1,140.63 is: 1,574.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.13 : 2,859.58 = 1,140.63 : x
  2. Step 2: Convert to fraction form
    2,072.13/2,859.58 = 1,140.63/x
  3. Step 3: Cross multiply
    2,072.13x = 2,859.58 × 1,140.63
  4. Step 4: Simplify right side
    2,072.13x = 3,261,722.74
  5. Step 5: Solve for x
    x = 3,261,722.74/2,072.13
  6. Step 6: Final answer
    x = 1,574.09

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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.