Home / 2,900.55-4,001.10-1,836.36

Finding the Fourth Proportional to 2,900.55, 4,001.10 and 1,836.36

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Solution

The fourth proportional to 2,900.55, 4,001.10 and 1,836.36 is: 2,533.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.55 : 4,001.10 = 1,836.36 : x
  2. Step 2: Convert to fraction form
    2,900.55/4,001.10 = 1,836.36/x
  3. Step 3: Cross multiply
    2,900.55x = 4,001.10 × 1,836.36
  4. Step 4: Simplify right side
    2,900.55x = 7,347,460.00
  5. Step 5: Solve for x
    x = 7,347,460.00/2,900.55
  6. Step 6: Final answer
    x = 2,533.13

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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.