Home / 3,557.08-4,908-2,140.60

Finding the Fourth Proportional to 3,557.08, 4,908 and 2,140.60

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Solution

The fourth proportional to 3,557.08, 4,908 and 2,140.60 is: 2,953.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.08 : 4,908 = 2,140.60 : x
  2. Step 2: Convert to fraction form
    3,557.08/4,908 = 2,140.60/x
  3. Step 3: Cross multiply
    3,557.08x = 4,908 × 2,140.60
  4. Step 4: Simplify right side
    3,557.08x = 10,506,064.80
  5. Step 5: Solve for x
    x = 10,506,064.80/3,557.08
  6. Step 6: Final answer
    x = 2,953.56

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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.