Home / 4,068.78-5,615.02-2,300.40

Finding the Fourth Proportional to 4,068.78, 5,615.02 and 2,300.40

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Solution

The fourth proportional to 4,068.78, 5,615.02 and 2,300.40 is: 3,174.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,068.78 : 5,615.02 = 2,300.40 : x
  2. Step 2: Convert to fraction form
    4,068.78/5,615.02 = 2,300.40/x
  3. Step 3: Cross multiply
    4,068.78x = 5,615.02 × 2,300.40
  4. Step 4: Simplify right side
    4,068.78x = 12,916,792.01
  5. Step 5: Solve for x
    x = 12,916,792.01/4,068.78
  6. Step 6: Final answer
    x = 3,174.61

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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.