Home / 2,621.98-3,618.64-1,503.28

Finding the Fourth Proportional to 2,621.98, 3,618.64 and 1,503.28

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Solution

The fourth proportional to 2,621.98, 3,618.64 and 1,503.28 is: 2,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.98 : 3,618.64 = 1,503.28 : x
  2. Step 2: Convert to fraction form
    2,621.98/3,618.64 = 1,503.28/x
  3. Step 3: Cross multiply
    2,621.98x = 3,618.64 × 1,503.28
  4. Step 4: Simplify right side
    2,621.98x = 5,439,829.14
  5. Step 5: Solve for x
    x = 5,439,829.14/2,621.98
  6. Step 6: Final answer
    x = 2,074.70

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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.