Home / 1,468.50-2,025.35-1,291.08

Finding the Fourth Proportional to 1,468.50, 2,025.35 and 1,291.08

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Solution

The fourth proportional to 1,468.50, 2,025.35 and 1,291.08 is: 1,780.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.50 : 2,025.35 = 1,291.08 : x
  2. Step 2: Convert to fraction form
    1,468.50/2,025.35 = 1,291.08/x
  3. Step 3: Cross multiply
    1,468.50x = 2,025.35 × 1,291.08
  4. Step 4: Simplify right side
    1,468.50x = 2,614,889.16
  5. Step 5: Solve for x
    x = 2,614,889.16/1,468.50
  6. Step 6: Final answer
    x = 1,780.66

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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.