Home / 2,512.16-3,465.60-1,580

Finding the Fourth Proportional to 2,512.16, 3,465.60 and 1,580

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Solution

The fourth proportional to 2,512.16, 3,465.60 and 1,580 is: 2,179.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.16 : 3,465.60 = 1,580 : x
  2. Step 2: Convert to fraction form
    2,512.16/3,465.60 = 1,580/x
  3. Step 3: Cross multiply
    2,512.16x = 3,465.60 × 1,580
  4. Step 4: Simplify right side
    2,512.16x = 5,475,648
  5. Step 5: Solve for x
    x = 5,475,648/2,512.16
  6. Step 6: Final answer
    x = 2,179.66

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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.