Home / 3,405.07-4,697.39-2,913.00

Finding the Fourth Proportional to 3,405.07, 4,697.39 and 2,913.00

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Solution

The fourth proportional to 3,405.07, 4,697.39 and 2,913.00 is: 4,018.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.07 : 4,697.39 = 2,913.00 : x
  2. Step 2: Convert to fraction form
    3,405.07/4,697.39 = 2,913.00/x
  3. Step 3: Cross multiply
    3,405.07x = 4,697.39 × 2,913.00
  4. Step 4: Simplify right side
    3,405.07x = 13,683,492.61
  5. Step 5: Solve for x
    x = 13,683,492.61/3,405.07
  6. Step 6: Final answer
    x = 4,018.56

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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.