Home / 3,125.61-4,688.06-934.18

Finding the Fourth Proportional to 3,125.61, 4,688.06 and 934.18

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Solution

The fourth proportional to 3,125.61, 4,688.06 and 934.18 is: 1,401.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.61 : 4,688.06 = 934.18 : x
  2. Step 2: Convert to fraction form
    3,125.61/4,688.06 = 934.18/x
  3. Step 3: Cross multiply
    3,125.61x = 4,688.06 × 934.18
  4. Step 4: Simplify right side
    3,125.61x = 4,379,491.89
  5. Step 5: Solve for x
    x = 4,379,491.89/3,125.61
  6. Step 6: Final answer
    x = 1,401.16

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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.