Home / 1,637.24-2,258.55-1,047.15

Finding the Fourth Proportional to 1,637.24, 2,258.55 and 1,047.15

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Solution

The fourth proportional to 1,637.24, 2,258.55 and 1,047.15 is: 1,444.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.24 : 2,258.55 = 1,047.15 : x
  2. Step 2: Convert to fraction form
    1,637.24/2,258.55 = 1,047.15/x
  3. Step 3: Cross multiply
    1,637.24x = 2,258.55 × 1,047.15
  4. Step 4: Simplify right side
    1,637.24x = 2,365,040.63
  5. Step 5: Solve for x
    x = 2,365,040.63/1,637.24
  6. Step 6: Final answer
    x = 1,444.53

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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.