Home / 3,113.10-4,666.68-1,164.85

Finding the Fourth Proportional to 3,113.10, 4,666.68 and 1,164.85

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Solution

The fourth proportional to 3,113.10, 4,666.68 and 1,164.85 is: 1,746.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.10 : 4,666.68 = 1,164.85 : x
  2. Step 2: Convert to fraction form
    3,113.10/4,666.68 = 1,164.85/x
  3. Step 3: Cross multiply
    3,113.10x = 4,666.68 × 1,164.85
  4. Step 4: Simplify right side
    3,113.10x = 5,435,970.53
  5. Step 5: Solve for x
    x = 5,435,970.53/3,113.10
  6. Step 6: Final answer
    x = 1,746.16

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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.