Home / 2,983.76-4,117.47-1,657.54

Finding the Fourth Proportional to 2,983.76, 4,117.47 and 1,657.54

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Solution

The fourth proportional to 2,983.76, 4,117.47 and 1,657.54 is: 2,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.76 : 4,117.47 = 1,657.54 : x
  2. Step 2: Convert to fraction form
    2,983.76/4,117.47 = 1,657.54/x
  3. Step 3: Cross multiply
    2,983.76x = 4,117.47 × 1,657.54
  4. Step 4: Simplify right side
    2,983.76x = 6,824,877.37
  5. Step 5: Solve for x
    x = 6,824,877.37/2,983.76
  6. Step 6: Final answer
    x = 2,287.35

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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.