Home / 1,655.87-2,482.53-1,427.45

Finding the Fourth Proportional to 1,655.87, 2,482.53 and 1,427.45

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Solution

The fourth proportional to 1,655.87, 2,482.53 and 1,427.45 is: 2,140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.87 : 2,482.53 = 1,427.45 : x
  2. Step 2: Convert to fraction form
    1,655.87/2,482.53 = 1,427.45/x
  3. Step 3: Cross multiply
    1,655.87x = 2,482.53 × 1,427.45
  4. Step 4: Simplify right side
    1,655.87x = 3,543,675.04
  5. Step 5: Solve for x
    x = 3,543,675.04/1,655.87
  6. Step 6: Final answer
    x = 2,140.07

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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.