Home / 1,639.11-2,457.87-598.95

Finding the Fourth Proportional to 1,639.11, 2,457.87 and 598.95

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Solution

The fourth proportional to 1,639.11, 2,457.87 and 598.95 is: 898.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639.11 : 2,457.87 = 598.95 : x
  2. Step 2: Convert to fraction form
    1,639.11/2,457.87 = 598.95/x
  3. Step 3: Cross multiply
    1,639.11x = 2,457.87 × 598.95
  4. Step 4: Simplify right side
    1,639.11x = 1,472,141.24
  5. Step 5: Solve for x
    x = 1,472,141.24/1,639.11
  6. Step 6: Final answer
    x = 898.13

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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.