Home / 3,750.84-5,625.78-1,153.72

Finding the Fourth Proportional to 3,750.84, 5,625.78 and 1,153.72

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Solution

The fourth proportional to 3,750.84, 5,625.78 and 1,153.72 is: 1,730.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.84 : 5,625.78 = 1,153.72 : x
  2. Step 2: Convert to fraction form
    3,750.84/5,625.78 = 1,153.72/x
  3. Step 3: Cross multiply
    3,750.84x = 5,625.78 × 1,153.72
  4. Step 4: Simplify right side
    3,750.84x = 6,490,574.90
  5. Step 5: Solve for x
    x = 6,490,574.90/3,750.84
  6. Step 6: Final answer
    x = 1,730.43

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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.