Home / 1,848.24-2,551.38-1,289.52

Finding the Fourth Proportional to 1,848.24, 2,551.38 and 1,289.52

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Solution

The fourth proportional to 1,848.24, 2,551.38 and 1,289.52 is: 1,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.24 : 2,551.38 = 1,289.52 : x
  2. Step 2: Convert to fraction form
    1,848.24/2,551.38 = 1,289.52/x
  3. Step 3: Cross multiply
    1,848.24x = 2,551.38 × 1,289.52
  4. Step 4: Simplify right side
    1,848.24x = 3,290,055.54
  5. Step 5: Solve for x
    x = 3,290,055.54/1,848.24
  6. Step 6: Final answer
    x = 1,780.10

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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.