Home / 1,549.86-2,134.65-1,433.08

Finding the Fourth Proportional to 1,549.86, 2,134.65 and 1,433.08

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Solution

The fourth proportional to 1,549.86, 2,134.65 and 1,433.08 is: 1,973.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.86 : 2,134.65 = 1,433.08 : x
  2. Step 2: Convert to fraction form
    1,549.86/2,134.65 = 1,433.08/x
  3. Step 3: Cross multiply
    1,549.86x = 2,134.65 × 1,433.08
  4. Step 4: Simplify right side
    1,549.86x = 3,059,124.22
  5. Step 5: Solve for x
    x = 3,059,124.22/1,549.86
  6. Step 6: Final answer
    x = 1,973.81

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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.