Home / 2,900.58-4,332.30-2,511.78

Finding the Fourth Proportional to 2,900.58, 4,332.30 and 2,511.78

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Solution

The fourth proportional to 2,900.58, 4,332.30 and 2,511.78 is: 3,751.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.58 : 4,332.30 = 2,511.78 : x
  2. Step 2: Convert to fraction form
    2,900.58/4,332.30 = 2,511.78/x
  3. Step 3: Cross multiply
    2,900.58x = 4,332.30 × 2,511.78
  4. Step 4: Simplify right side
    2,900.58x = 10,881,784.49
  5. Step 5: Solve for x
    x = 10,881,784.49/2,900.58
  6. Step 6: Final answer
    x = 3,751.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.