Home / 3,607.00-4,981.13-2,812.52

Finding the Fourth Proportional to 3,607.00, 4,981.13 and 2,812.52

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Solution

The fourth proportional to 3,607.00, 4,981.13 and 2,812.52 is: 3,883.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.00 : 4,981.13 = 2,812.52 : x
  2. Step 2: Convert to fraction form
    3,607.00/4,981.13 = 2,812.52/x
  3. Step 3: Cross multiply
    3,607.00x = 4,981.13 × 2,812.52
  4. Step 4: Simplify right side
    3,607.00x = 14,009,547.23
  5. Step 5: Solve for x
    x = 14,009,547.23/3,607.00
  6. Step 6: Final answer
    x = 3,883.99

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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.