Home / 2,955.13-4,077.93-1,628.59

Finding the Fourth Proportional to 2,955.13, 4,077.93 and 1,628.59

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Solution

The fourth proportional to 2,955.13, 4,077.93 and 1,628.59 is: 2,247.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.13 : 4,077.93 = 1,628.59 : x
  2. Step 2: Convert to fraction form
    2,955.13/4,077.93 = 1,628.59/x
  3. Step 3: Cross multiply
    2,955.13x = 4,077.93 × 1,628.59
  4. Step 4: Simplify right side
    2,955.13x = 6,641,276.02
  5. Step 5: Solve for x
    x = 6,641,276.02/2,955.13
  6. Step 6: Final answer
    x = 2,247.37

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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.