Home / 2,439.63-3,363.35-1,542.93

Finding the Fourth Proportional to 2,439.63, 3,363.35 and 1,542.93

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Solution

The fourth proportional to 2,439.63, 3,363.35 and 1,542.93 is: 2,127.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.63 : 3,363.35 = 1,542.93 : x
  2. Step 2: Convert to fraction form
    2,439.63/3,363.35 = 1,542.93/x
  3. Step 3: Cross multiply
    2,439.63x = 3,363.35 × 1,542.93
  4. Step 4: Simplify right side
    2,439.63x = 5,189,399.07
  5. Step 5: Solve for x
    x = 5,189,399.07/2,439.63
  6. Step 6: Final answer
    x = 2,127.12

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1.5x scale

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.