Home / 1,357.32-2,032.65-1,225.84

Finding the Fourth Proportional to 1,357.32, 2,032.65 and 1,225.84

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Solution

The fourth proportional to 1,357.32, 2,032.65 and 1,225.84 is: 1,835.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357.32 : 2,032.65 = 1,225.84 : x
  2. Step 2: Convert to fraction form
    1,357.32/2,032.65 = 1,225.84/x
  3. Step 3: Cross multiply
    1,357.32x = 2,032.65 × 1,225.84
  4. Step 4: Simplify right side
    1,357.32x = 2,491,703.68
  5. Step 5: Solve for x
    x = 2,491,703.68/1,357.32
  6. Step 6: Final answer
    x = 1,835.75

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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.