Home / 1,618.15-2,427.19-923.10

Finding the Fourth Proportional to 1,618.15, 2,427.19 and 923.10

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Solution

The fourth proportional to 1,618.15, 2,427.19 and 923.10 is: 1,384.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618.15 : 2,427.19 = 923.10 : x
  2. Step 2: Convert to fraction form
    1,618.15/2,427.19 = 923.10/x
  3. Step 3: Cross multiply
    1,618.15x = 2,427.19 × 923.10
  4. Step 4: Simplify right side
    1,618.15x = 2,240,530.28
  5. Step 5: Solve for x
    x = 2,240,530.28/1,618.15
  6. Step 6: Final answer
    x = 1,384.62

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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.