Home / 2,135.53-2,946.93-1,575.79

Finding the Fourth Proportional to 2,135.53, 2,946.93 and 1,575.79

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Solution

The fourth proportional to 2,135.53, 2,946.93 and 1,575.79 is: 2,174.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.53 : 2,946.93 = 1,575.79 : x
  2. Step 2: Convert to fraction form
    2,135.53/2,946.93 = 1,575.79/x
  3. Step 3: Cross multiply
    2,135.53x = 2,946.93 × 1,575.79
  4. Step 4: Simplify right side
    2,135.53x = 4,643,742.82
  5. Step 5: Solve for x
    x = 4,643,742.82/2,135.53
  6. Step 6: Final answer
    x = 2,174.52

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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.