Home / 2,554.24-3,521.28-2,159.68

Finding the Fourth Proportional to 2,554.24, 3,521.28 and 2,159.68

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Solution

The fourth proportional to 2,554.24, 3,521.28 and 2,159.68 is: 2,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,554.24 : 3,521.28 = 2,159.68 : x
  2. Step 2: Convert to fraction form
    2,554.24/3,521.28 = 2,159.68/x
  3. Step 3: Cross multiply
    2,554.24x = 3,521.28 × 2,159.68
  4. Step 4: Simplify right side
    2,554.24x = 7,604,837.99
  5. Step 5: Solve for x
    x = 7,604,837.99/2,554.24
  6. Step 6: Final answer
    x = 2,977.34

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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.