Home / 2,955.10-4,432.65-1,394.59

Finding the Fourth Proportional to 2,955.10, 4,432.65 and 1,394.59

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Solution

The fourth proportional to 2,955.10, 4,432.65 and 1,394.59 is: 2,091.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.10 : 4,432.65 = 1,394.59 : x
  2. Step 2: Convert to fraction form
    2,955.10/4,432.65 = 1,394.59/x
  3. Step 3: Cross multiply
    2,955.10x = 4,432.65 × 1,394.59
  4. Step 4: Simplify right side
    2,955.10x = 6,181,729.36
  5. Step 5: Solve for x
    x = 6,181,729.36/2,955.10
  6. Step 6: Final answer
    x = 2,091.89

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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.