Home / 1,670.26-2,304.96-971.76

Finding the Fourth Proportional to 1,670.26, 2,304.96 and 971.76

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Solution

The fourth proportional to 1,670.26, 2,304.96 and 971.76 is: 1,341.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.26 : 2,304.96 = 971.76 : x
  2. Step 2: Convert to fraction form
    1,670.26/2,304.96 = 971.76/x
  3. Step 3: Cross multiply
    1,670.26x = 2,304.96 × 971.76
  4. Step 4: Simplify right side
    1,670.26x = 2,239,867.93
  5. Step 5: Solve for x
    x = 2,239,867.93/1,670.26
  6. Step 6: Final answer
    x = 1,341.03

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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.