Home / 1,873.07-2,584.58-1,127.21

Finding the Fourth Proportional to 1,873.07, 2,584.58 and 1,127.21

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Solution

The fourth proportional to 1,873.07, 2,584.58 and 1,127.21 is: 1,555.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.07 : 2,584.58 = 1,127.21 : x
  2. Step 2: Convert to fraction form
    1,873.07/2,584.58 = 1,127.21/x
  3. Step 3: Cross multiply
    1,873.07x = 2,584.58 × 1,127.21
  4. Step 4: Simplify right side
    1,873.07x = 2,913,354.32
  5. Step 5: Solve for x
    x = 2,913,354.32/1,873.07
  6. Step 6: Final answer
    x = 1,555.39

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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.