Home / 2,518.55-3,476.28-1,573.77

Finding the Fourth Proportional to 2,518.55, 3,476.28 and 1,573.77

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Solution

The fourth proportional to 2,518.55, 3,476.28 and 1,573.77 is: 2,172.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.55 : 3,476.28 = 1,573.77 : x
  2. Step 2: Convert to fraction form
    2,518.55/3,476.28 = 1,573.77/x
  3. Step 3: Cross multiply
    2,518.55x = 3,476.28 × 1,573.77
  4. Step 4: Simplify right side
    2,518.55x = 5,470,865.18
  5. Step 5: Solve for x
    x = 5,470,865.18/2,518.55
  6. Step 6: Final answer
    x = 2,172.23

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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.