Home / 1,508.64-2,259.52-1,326.40

Finding the Fourth Proportional to 1,508.64, 2,259.52 and 1,326.40

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Solution

The fourth proportional to 1,508.64, 2,259.52 and 1,326.40 is: 1,986.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.64 : 2,259.52 = 1,326.40 : x
  2. Step 2: Convert to fraction form
    1,508.64/2,259.52 = 1,326.40/x
  3. Step 3: Cross multiply
    1,508.64x = 2,259.52 × 1,326.40
  4. Step 4: Simplify right side
    1,508.64x = 2,997,027.33
  5. Step 5: Solve for x
    x = 2,997,027.33/1,508.64
  6. Step 6: Final answer
    x = 1,986.58

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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.