Home / 1,595.36-2,388.96-1,271.20

Finding the Fourth Proportional to 1,595.36, 2,388.96 and 1,271.20

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Solution

The fourth proportional to 1,595.36, 2,388.96 and 1,271.20 is: 1,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.36 : 2,388.96 = 1,271.20 : x
  2. Step 2: Convert to fraction form
    1,595.36/2,388.96 = 1,271.20/x
  3. Step 3: Cross multiply
    1,595.36x = 2,388.96 × 1,271.20
  4. Step 4: Simplify right side
    1,595.36x = 3,036,845.95
  5. Step 5: Solve for x
    x = 3,036,845.95/1,595.36
  6. Step 6: Final answer
    x = 1,903.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.