Home / 1,473.23-2,032.96-810.11

Finding the Fourth Proportional to 1,473.23, 2,032.96 and 810.11

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Solution

The fourth proportional to 1,473.23, 2,032.96 and 810.11 is: 1,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.23 : 2,032.96 = 810.11 : x
  2. Step 2: Convert to fraction form
    1,473.23/2,032.96 = 810.11/x
  3. Step 3: Cross multiply
    1,473.23x = 2,032.96 × 810.11
  4. Step 4: Simplify right side
    1,473.23x = 1,646,921.23
  5. Step 5: Solve for x
    x = 1,646,921.23/1,473.23
  6. Step 6: Final answer
    x = 1,117.90

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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.