Home / 2,384.10-3,291.68-1,488.19

Finding the Fourth Proportional to 2,384.10, 3,291.68 and 1,488.19

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Solution

The fourth proportional to 2,384.10, 3,291.68 and 1,488.19 is: 2,054.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.10 : 3,291.68 = 1,488.19 : x
  2. Step 2: Convert to fraction form
    2,384.10/3,291.68 = 1,488.19/x
  3. Step 3: Cross multiply
    2,384.10x = 3,291.68 × 1,488.19
  4. Step 4: Simplify right side
    2,384.10x = 4,898,645.26
  5. Step 5: Solve for x
    x = 4,898,645.26/2,384.10
  6. Step 6: Final answer
    x = 2,054.71

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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.