Home / 2,154.57-2,974.30-1,657.04

Finding the Fourth Proportional to 2,154.57, 2,974.30 and 1,657.04

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Solution

The fourth proportional to 2,154.57, 2,974.30 and 1,657.04 is: 2,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.57 : 2,974.30 = 1,657.04 : x
  2. Step 2: Convert to fraction form
    2,154.57/2,974.30 = 1,657.04/x
  3. Step 3: Cross multiply
    2,154.57x = 2,974.30 × 1,657.04
  4. Step 4: Simplify right side
    2,154.57x = 4,928,534.07
  5. Step 5: Solve for x
    x = 4,928,534.07/2,154.57
  6. Step 6: Final answer
    x = 2,287.48

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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.