Home / 1,873.46-2,585.39-1,127.42

Finding the Fourth Proportional to 1,873.46, 2,585.39 and 1,127.42

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Solution

The fourth proportional to 1,873.46, 2,585.39 and 1,127.42 is: 1,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.46 : 2,585.39 = 1,127.42 : x
  2. Step 2: Convert to fraction form
    1,873.46/2,585.39 = 1,127.42/x
  3. Step 3: Cross multiply
    1,873.46x = 2,585.39 × 1,127.42
  4. Step 4: Simplify right side
    1,873.46x = 2,914,811.52
  5. Step 5: Solve for x
    x = 2,914,811.52/1,873.46
  6. Step 6: Final answer
    x = 1,555.84

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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.