Home / 1,635.65-2,258.70-1,047.23

Finding the Fourth Proportional to 1,635.65, 2,258.70 and 1,047.23

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Solution

The fourth proportional to 1,635.65, 2,258.70 and 1,047.23 is: 1,446.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.65 : 2,258.70 = 1,047.23 : x
  2. Step 2: Convert to fraction form
    1,635.65/2,258.70 = 1,047.23/x
  3. Step 3: Cross multiply
    1,635.65x = 2,258.70 × 1,047.23
  4. Step 4: Simplify right side
    1,635.65x = 2,365,373.16
  5. Step 5: Solve for x
    x = 2,365,373.16/1,635.65
  6. Step 6: Final answer
    x = 1,446.14

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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.