Home / 2,900.67-4,001.42-1,836.63

Finding the Fourth Proportional to 2,900.67, 4,001.42 and 1,836.63

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Solution

The fourth proportional to 2,900.67, 4,001.42 and 1,836.63 is: 2,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.67 : 4,001.42 = 1,836.63 : x
  2. Step 2: Convert to fraction form
    2,900.67/4,001.42 = 1,836.63/x
  3. Step 3: Cross multiply
    2,900.67x = 4,001.42 × 1,836.63
  4. Step 4: Simplify right side
    2,900.67x = 7,349,128.01
  5. Step 5: Solve for x
    x = 7,349,128.01/2,900.67
  6. Step 6: Final answer
    x = 2,533.60

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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.