Home / 2,637.50-3,639.67-1,518.45

Finding the Fourth Proportional to 2,637.50, 3,639.67 and 1,518.45

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Solution

The fourth proportional to 2,637.50, 3,639.67 and 1,518.45 is: 2,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.50 : 3,639.67 = 1,518.45 : x
  2. Step 2: Convert to fraction form
    2,637.50/3,639.67 = 1,518.45/x
  3. Step 3: Cross multiply
    2,637.50x = 3,639.67 × 1,518.45
  4. Step 4: Simplify right side
    2,637.50x = 5,526,639.47
  5. Step 5: Solve for x
    x = 5,526,639.47/2,637.50
  6. Step 6: Final answer
    x = 2,095.41

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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.