Home / 1,621.61-2,427.65-1,464.87

Finding the Fourth Proportional to 1,621.61, 2,427.65 and 1,464.87

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Solution

The fourth proportional to 1,621.61, 2,427.65 and 1,464.87 is: 2,193.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.61 : 2,427.65 = 1,464.87 : x
  2. Step 2: Convert to fraction form
    1,621.61/2,427.65 = 1,464.87/x
  3. Step 3: Cross multiply
    1,621.61x = 2,427.65 × 1,464.87
  4. Step 4: Simplify right side
    1,621.61x = 3,556,191.66
  5. Step 5: Solve for x
    x = 3,556,191.66/1,621.61
  6. Step 6: Final answer
    x = 2,193.00

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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.