Home / 2,289.19-3,159.06-1,344.81

Finding the Fourth Proportional to 2,289.19, 3,159.06 and 1,344.81

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Solution

The fourth proportional to 2,289.19, 3,159.06 and 1,344.81 is: 1,855.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.19 : 3,159.06 = 1,344.81 : x
  2. Step 2: Convert to fraction form
    2,289.19/3,159.06 = 1,344.81/x
  3. Step 3: Cross multiply
    2,289.19x = 3,159.06 × 1,344.81
  4. Step 4: Simplify right side
    2,289.19x = 4,248,335.48
  5. Step 5: Solve for x
    x = 4,248,335.48/2,289.19
  6. Step 6: Final answer
    x = 1,855.82

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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.