Home / 3,623.04-5,434.56-1,314.72

Finding the Fourth Proportional to 3,623.04, 5,434.56 and 1,314.72

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Solution

The fourth proportional to 3,623.04, 5,434.56 and 1,314.72 is: 1,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.04 : 5,434.56 = 1,314.72 : x
  2. Step 2: Convert to fraction form
    3,623.04/5,434.56 = 1,314.72/x
  3. Step 3: Cross multiply
    3,623.04x = 5,434.56 × 1,314.72
  4. Step 4: Simplify right side
    3,623.04x = 7,144,924.72
  5. Step 5: Solve for x
    x = 7,144,924.72/3,623.04
  6. Step 6: Final answer
    x = 1,972.08

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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.