Home / 2,391.03-3,298.68-1,395.93

Finding the Fourth Proportional to 2,391.03, 3,298.68 and 1,395.93

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Solution

The fourth proportional to 2,391.03, 3,298.68 and 1,395.93 is: 1,925.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.03 : 3,298.68 = 1,395.93 : x
  2. Step 2: Convert to fraction form
    2,391.03/3,298.68 = 1,395.93/x
  3. Step 3: Cross multiply
    2,391.03x = 3,298.68 × 1,395.93
  4. Step 4: Simplify right side
    2,391.03x = 4,604,726.37
  5. Step 5: Solve for x
    x = 4,604,726.37/2,391.03
  6. Step 6: Final answer
    x = 1,925.83

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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.