Home / 1,664.72-2,497.35-554.19

Finding the Fourth Proportional to 1,664.72, 2,497.35 and 554.19

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Solution

The fourth proportional to 1,664.72, 2,497.35 and 554.19 is: 831.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.72 : 2,497.35 = 554.19 : x
  2. Step 2: Convert to fraction form
    1,664.72/2,497.35 = 554.19/x
  3. Step 3: Cross multiply
    1,664.72x = 2,497.35 × 554.19
  4. Step 4: Simplify right side
    1,664.72x = 1,384,006.40
  5. Step 5: Solve for x
    x = 1,384,006.40/1,664.72
  6. Step 6: Final answer
    x = 831.38

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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.