Home / 2,955.12-4,077.03-1,834.89

Finding the Fourth Proportional to 2,955.12, 4,077.03 and 1,834.89

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Solution

The fourth proportional to 2,955.12, 4,077.03 and 1,834.89 is: 2,531.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.12 : 4,077.03 = 1,834.89 : x
  2. Step 2: Convert to fraction form
    2,955.12/4,077.03 = 1,834.89/x
  3. Step 3: Cross multiply
    2,955.12x = 4,077.03 × 1,834.89
  4. Step 4: Simplify right side
    2,955.12x = 7,480,901.58
  5. Step 5: Solve for x
    x = 7,480,901.58/2,955.12
  6. Step 6: Final answer
    x = 2,531.51

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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.