Home / 2,382.04-3,288.90-1,543.16

Finding the Fourth Proportional to 2,382.04, 3,288.90 and 1,543.16

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Solution

The fourth proportional to 2,382.04, 3,288.90 and 1,543.16 is: 2,130.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.04 : 3,288.90 = 1,543.16 : x
  2. Step 2: Convert to fraction form
    2,382.04/3,288.90 = 1,543.16/x
  3. Step 3: Cross multiply
    2,382.04x = 3,288.90 × 1,543.16
  4. Step 4: Simplify right side
    2,382.04x = 5,075,298.92
  5. Step 5: Solve for x
    x = 5,075,298.92/2,382.04
  6. Step 6: Final answer
    x = 2,130.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.