Home / 2,316.18-3,194.16-1,528.86

Finding the Fourth Proportional to 2,316.18, 3,194.16 and 1,528.86

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Solution

The fourth proportional to 2,316.18, 3,194.16 and 1,528.86 is: 2,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.18 : 3,194.16 = 1,528.86 : x
  2. Step 2: Convert to fraction form
    2,316.18/3,194.16 = 1,528.86/x
  3. Step 3: Cross multiply
    2,316.18x = 3,194.16 × 1,528.86
  4. Step 4: Simplify right side
    2,316.18x = 4,883,423.46
  5. Step 5: Solve for x
    x = 4,883,423.46/2,316.18
  6. Step 6: Final answer
    x = 2,108.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.