Home / 2,151.94-2,970.58-1,454.26

Finding the Fourth Proportional to 2,151.94, 2,970.58 and 1,454.26

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Solution

The fourth proportional to 2,151.94, 2,970.58 and 1,454.26 is: 2,007.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.94 : 2,970.58 = 1,454.26 : x
  2. Step 2: Convert to fraction form
    2,151.94/2,970.58 = 1,454.26/x
  3. Step 3: Cross multiply
    2,151.94x = 2,970.58 × 1,454.26
  4. Step 4: Simplify right side
    2,151.94x = 4,319,995.67
  5. Step 5: Solve for x
    x = 4,319,995.67/2,151.94
  6. Step 6: Final answer
    x = 2,007.49

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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.