Home / 2,391.36-3,299.40-1,459.68

Finding the Fourth Proportional to 2,391.36, 3,299.40 and 1,459.68

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Solution

The fourth proportional to 2,391.36, 3,299.40 and 1,459.68 is: 2,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.36 : 3,299.40 = 1,459.68 : x
  2. Step 2: Convert to fraction form
    2,391.36/3,299.40 = 1,459.68/x
  3. Step 3: Cross multiply
    2,391.36x = 3,299.40 × 1,459.68
  4. Step 4: Simplify right side
    2,391.36x = 4,816,068.19
  5. Step 5: Solve for x
    x = 4,816,068.19/2,391.36
  6. Step 6: Final answer
    x = 2,013.95

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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.