Home / 1,664.49-2,496.08-553.55

Finding the Fourth Proportional to 1,664.49, 2,496.08 and 553.55

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Solution

The fourth proportional to 1,664.49, 2,496.08 and 553.55 is: 830.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.49 : 2,496.08 = 553.55 : x
  2. Step 2: Convert to fraction form
    1,664.49/2,496.08 = 553.55/x
  3. Step 3: Cross multiply
    1,664.49x = 2,496.08 × 553.55
  4. Step 4: Simplify right side
    1,664.49x = 1,381,705.08
  5. Step 5: Solve for x
    x = 1,381,705.08/1,664.49
  6. Step 6: Final answer
    x = 830.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.