Home / 2,389.49-3,583.08-1,000.91

Finding the Fourth Proportional to 2,389.49, 3,583.08 and 1,000.91

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Solution

The fourth proportional to 2,389.49, 3,583.08 and 1,000.91 is: 1,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.49 : 3,583.08 = 1,000.91 : x
  2. Step 2: Convert to fraction form
    2,389.49/3,583.08 = 1,000.91/x
  3. Step 3: Cross multiply
    2,389.49x = 3,583.08 × 1,000.91
  4. Step 4: Simplify right side
    2,389.49x = 3,586,340.60
  5. Step 5: Solve for x
    x = 3,586,340.60/2,389.49
  6. Step 6: Final answer
    x = 1,500.88

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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.