Home / 2,822.16-3,894.60-1,580.24

Finding the Fourth Proportional to 2,822.16, 3,894.60 and 1,580.24

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Solution

The fourth proportional to 2,822.16, 3,894.60 and 1,580.24 is: 2,180.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.16 : 3,894.60 = 1,580.24 : x
  2. Step 2: Convert to fraction form
    2,822.16/3,894.60 = 1,580.24/x
  3. Step 3: Cross multiply
    2,822.16x = 3,894.60 × 1,580.24
  4. Step 4: Simplify right side
    2,822.16x = 6,154,402.70
  5. Step 5: Solve for x
    x = 6,154,402.70/2,822.16
  6. Step 6: Final answer
    x = 2,180.74

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1.5x scale

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.