Home / 2,477.13-3,418.55-1,429.19

Finding the Fourth Proportional to 2,477.13, 3,418.55 and 1,429.19

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Solution

The fourth proportional to 2,477.13, 3,418.55 and 1,429.19 is: 1,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.13 : 3,418.55 = 1,429.19 : x
  2. Step 2: Convert to fraction form
    2,477.13/3,418.55 = 1,429.19/x
  3. Step 3: Cross multiply
    2,477.13x = 3,418.55 × 1,429.19
  4. Step 4: Simplify right side
    2,477.13x = 4,885,757.47
  5. Step 5: Solve for x
    x = 4,885,757.47/2,477.13
  6. Step 6: Final answer
    x = 1,972.35

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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.