Home / 1,655.02-2,482.94-1,187.04

Finding the Fourth Proportional to 1,655.02, 2,482.94 and 1,187.04

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Solution

The fourth proportional to 1,655.02, 2,482.94 and 1,187.04 is: 1,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.02 : 2,482.94 = 1,187.04 : x
  2. Step 2: Convert to fraction form
    1,655.02/2,482.94 = 1,187.04/x
  3. Step 3: Cross multiply
    1,655.02x = 2,482.94 × 1,187.04
  4. Step 4: Simplify right side
    1,655.02x = 2,947,349.10
  5. Step 5: Solve for x
    x = 2,947,349.10/1,655.02
  6. Step 6: Final answer
    x = 1,780.85

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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.