Home / 1,562.02-2,345.46-1,418.65

Finding the Fourth Proportional to 1,562.02, 2,345.46 and 1,418.65

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Solution

The fourth proportional to 1,562.02, 2,345.46 and 1,418.65 is: 2,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.02 : 2,345.46 = 1,418.65 : x
  2. Step 2: Convert to fraction form
    1,562.02/2,345.46 = 1,418.65/x
  3. Step 3: Cross multiply
    1,562.02x = 2,345.46 × 1,418.65
  4. Step 4: Simplify right side
    1,562.02x = 3,327,375.65
  5. Step 5: Solve for x
    x = 3,327,375.65/1,562.02
  6. Step 6: Final answer
    x = 2,130.18

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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.