Home / 1,927.11-2,659.79-1,506.63

Finding the Fourth Proportional to 1,927.11, 2,659.79 and 1,506.63

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Solution

The fourth proportional to 1,927.11, 2,659.79 and 1,506.63 is: 2,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.11 : 2,659.79 = 1,506.63 : x
  2. Step 2: Convert to fraction form
    1,927.11/2,659.79 = 1,506.63/x
  3. Step 3: Cross multiply
    1,927.11x = 2,659.79 × 1,506.63
  4. Step 4: Simplify right side
    1,927.11x = 4,007,319.41
  5. Step 5: Solve for x
    x = 4,007,319.41/1,927.11
  6. Step 6: Final answer
    x = 2,079.45

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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.