Home / 3,637.86-5,018.67-2,312.70

Finding the Fourth Proportional to 3,637.86, 5,018.67 and 2,312.70

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Solution

The fourth proportional to 3,637.86, 5,018.67 and 2,312.70 is: 3,190.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.86 : 5,018.67 = 2,312.70 : x
  2. Step 2: Convert to fraction form
    3,637.86/5,018.67 = 2,312.70/x
  3. Step 3: Cross multiply
    3,637.86x = 5,018.67 × 2,312.70
  4. Step 4: Simplify right side
    3,637.86x = 11,606,678.11
  5. Step 5: Solve for x
    x = 11,606,678.11/3,637.86
  6. Step 6: Final answer
    x = 3,190.52

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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.