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Finding the Fourth Proportional to 1,873.14, 2,810.70 and 899.07

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Solution

The fourth proportional to 1,873.14, 2,810.70 and 899.07 is: 1,349.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.14 : 2,810.70 = 899.07 : x
  2. Step 2: Convert to fraction form
    1,873.14/2,810.70 = 899.07/x
  3. Step 3: Cross multiply
    1,873.14x = 2,810.70 × 899.07
  4. Step 4: Simplify right side
    1,873.14x = 2,527,016.05
  5. Step 5: Solve for x
    x = 2,527,016.05/1,873.14
  6. Step 6: Final answer
    x = 1,349.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.