Home / 3,117.93-4,302.79-1,701.63

Finding the Fourth Proportional to 3,117.93, 4,302.79 and 1,701.63

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Solution

The fourth proportional to 3,117.93, 4,302.79 and 1,701.63 is: 2,348.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.93 : 4,302.79 = 1,701.63 : x
  2. Step 2: Convert to fraction form
    3,117.93/4,302.79 = 1,701.63/x
  3. Step 3: Cross multiply
    3,117.93x = 4,302.79 × 1,701.63
  4. Step 4: Simplify right side
    3,117.93x = 7,321,746.79
  5. Step 5: Solve for x
    x = 7,321,746.79/3,117.93
  6. Step 6: Final answer
    x = 2,348.27

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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.