Home / 1,784.83-2,463.20-999.13

Finding the Fourth Proportional to 1,784.83, 2,463.20 and 999.13

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Solution

The fourth proportional to 1,784.83, 2,463.20 and 999.13 is: 1,378.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.83 : 2,463.20 = 999.13 : x
  2. Step 2: Convert to fraction form
    1,784.83/2,463.20 = 999.13/x
  3. Step 3: Cross multiply
    1,784.83x = 2,463.20 × 999.13
  4. Step 4: Simplify right side
    1,784.83x = 2,461,057.02
  5. Step 5: Solve for x
    x = 2,461,057.02/1,784.83
  6. Step 6: Final answer
    x = 1,378.87

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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.