Home / 1,807.48-2,496.38-1,216.99

Finding the Fourth Proportional to 1,807.48, 2,496.38 and 1,216.99

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Solution

The fourth proportional to 1,807.48, 2,496.38 and 1,216.99 is: 1,680.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.48 : 2,496.38 = 1,216.99 : x
  2. Step 2: Convert to fraction form
    1,807.48/2,496.38 = 1,216.99/x
  3. Step 3: Cross multiply
    1,807.48x = 2,496.38 × 1,216.99
  4. Step 4: Simplify right side
    1,807.48x = 3,038,069.50
  5. Step 5: Solve for x
    x = 3,038,069.50/1,807.48
  6. Step 6: Final answer
    x = 1,680.83

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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.