Home / 1,435.04-2,164.08-1,415.60

Finding the Fourth Proportional to 1,435.04, 2,164.08 and 1,415.60

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Solution

The fourth proportional to 1,435.04, 2,164.08 and 1,415.60 is: 2,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435.04 : 2,164.08 = 1,415.60 : x
  2. Step 2: Convert to fraction form
    1,435.04/2,164.08 = 1,415.60/x
  3. Step 3: Cross multiply
    1,435.04x = 2,164.08 × 1,415.60
  4. Step 4: Simplify right side
    1,435.04x = 3,063,471.65
  5. Step 5: Solve for x
    x = 3,063,471.65/1,435.04
  6. Step 6: Final answer
    x = 2,134.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.