Home / 1,718.02-2,577.05-622.41

Finding the Fourth Proportional to 1,718.02, 2,577.05 and 622.41

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Solution

The fourth proportional to 1,718.02, 2,577.05 and 622.41 is: 933.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.02 : 2,577.05 = 622.41 : x
  2. Step 2: Convert to fraction form
    1,718.02/2,577.05 = 622.41/x
  3. Step 3: Cross multiply
    1,718.02x = 2,577.05 × 622.41
  4. Step 4: Simplify right side
    1,718.02x = 1,603,981.69
  5. Step 5: Solve for x
    x = 1,603,981.69/1,718.02
  6. Step 6: Final answer
    x = 933.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.