Home / 1,924.26-2,885.18-813.10

Finding the Fourth Proportional to 1,924.26, 2,885.18 and 813.10

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Solution

The fourth proportional to 1,924.26, 2,885.18 and 813.10 is: 1,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.26 : 2,885.18 = 813.10 : x
  2. Step 2: Convert to fraction form
    1,924.26/2,885.18 = 813.10/x
  3. Step 3: Cross multiply
    1,924.26x = 2,885.18 × 813.10
  4. Step 4: Simplify right side
    1,924.26x = 2,345,939.86
  5. Step 5: Solve for x
    x = 2,345,939.86/1,924.26
  6. Step 6: Final answer
    x = 1,219.14

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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.