Home / 3,011.02-4,155.03-1,666.56

Finding the Fourth Proportional to 3,011.02, 4,155.03 and 1,666.56

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Solution

The fourth proportional to 3,011.02, 4,155.03 and 1,666.56 is: 2,299.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.02 : 4,155.03 = 1,666.56 : x
  2. Step 2: Convert to fraction form
    3,011.02/4,155.03 = 1,666.56/x
  3. Step 3: Cross multiply
    3,011.02x = 4,155.03 × 1,666.56
  4. Step 4: Simplify right side
    3,011.02x = 6,924,599.01
  5. Step 5: Solve for x
    x = 6,924,599.01/3,011.02
  6. Step 6: Final answer
    x = 2,299.75

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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.