Home / 3,934.83-5,430.29-2,607.60

Finding the Fourth Proportional to 3,934.83, 5,430.29 and 2,607.60

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Solution

The fourth proportional to 3,934.83, 5,430.29 and 2,607.60 is: 3,598.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.83 : 5,430.29 = 2,607.60 : x
  2. Step 2: Convert to fraction form
    3,934.83/5,430.29 = 2,607.60/x
  3. Step 3: Cross multiply
    3,934.83x = 5,430.29 × 2,607.60
  4. Step 4: Simplify right side
    3,934.83x = 14,160,024.20
  5. Step 5: Solve for x
    x = 14,160,024.20/3,934.83
  6. Step 6: Final answer
    x = 3,598.64

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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.