Home / 2,900.55-4,346.51-1,666.11

Finding the Fourth Proportional to 2,900.55, 4,346.51 and 1,666.11

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Solution

The fourth proportional to 2,900.55, 4,346.51 and 1,666.11 is: 2,496.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.55 : 4,346.51 = 1,666.11 : x
  2. Step 2: Convert to fraction form
    2,900.55/4,346.51 = 1,666.11/x
  3. Step 3: Cross multiply
    2,900.55x = 4,346.51 × 1,666.11
  4. Step 4: Simplify right side
    2,900.55x = 7,241,755.45
  5. Step 5: Solve for x
    x = 7,241,755.45/2,900.55
  6. Step 6: Final answer
    x = 2,496.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.