Home / 3,501.84-4,828.98-2,557.78

Finding the Fourth Proportional to 3,501.84, 4,828.98 and 2,557.78

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Solution

The fourth proportional to 3,501.84, 4,828.98 and 2,557.78 is: 3,527.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.84 : 4,828.98 = 2,557.78 : x
  2. Step 2: Convert to fraction form
    3,501.84/4,828.98 = 2,557.78/x
  3. Step 3: Cross multiply
    3,501.84x = 4,828.98 × 2,557.78
  4. Step 4: Simplify right side
    3,501.84x = 12,351,468.46
  5. Step 5: Solve for x
    x = 12,351,468.46/3,501.84
  6. Step 6: Final answer
    x = 3,527.14

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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.