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Finding the Fourth Proportional to 1,873.90, 2,812.57 and 950.10

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Solution

The fourth proportional to 1,873.90, 2,812.57 and 950.10 is: 1,426.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.90 : 2,812.57 = 950.10 : x
  2. Step 2: Convert to fraction form
    1,873.90/2,812.57 = 950.10/x
  3. Step 3: Cross multiply
    1,873.90x = 2,812.57 × 950.10
  4. Step 4: Simplify right side
    1,873.90x = 2,672,220.38
  5. Step 5: Solve for x
    x = 2,672,220.38/1,873.90
  6. Step 6: Final answer
    x = 1,426.02

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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.