Home / 2,429.99-3,354.58-1,858.13

Finding the Fourth Proportional to 2,429.99, 3,354.58 and 1,858.13

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Solution

The fourth proportional to 2,429.99, 3,354.58 and 1,858.13 is: 2,565.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.99 : 3,354.58 = 1,858.13 : x
  2. Step 2: Convert to fraction form
    2,429.99/3,354.58 = 1,858.13/x
  3. Step 3: Cross multiply
    2,429.99x = 3,354.58 × 1,858.13
  4. Step 4: Simplify right side
    2,429.99x = 6,233,245.74
  5. Step 5: Solve for x
    x = 6,233,245.74/2,429.99
  6. Step 6: Final answer
    x = 2,565.13

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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.