Home / 1,639.40-2,457.56-599.16

Finding the Fourth Proportional to 1,639.40, 2,457.56 and 599.16

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Solution

The fourth proportional to 1,639.40, 2,457.56 and 599.16 is: 898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639.40 : 2,457.56 = 599.16 : x
  2. Step 2: Convert to fraction form
    1,639.40/2,457.56 = 599.16/x
  3. Step 3: Cross multiply
    1,639.40x = 2,457.56 × 599.16
  4. Step 4: Simplify right side
    1,639.40x = 1,472,471.65
  5. Step 5: Solve for x
    x = 1,472,471.65/1,639.40
  6. Step 6: Final answer
    x = 898.18

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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.