Home / 2,054.19-2,833.13-1,307.91

Finding the Fourth Proportional to 2,054.19, 2,833.13 and 1,307.91

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Solution

The fourth proportional to 2,054.19, 2,833.13 and 1,307.91 is: 1,803.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054.19 : 2,833.13 = 1,307.91 : x
  2. Step 2: Convert to fraction form
    2,054.19/2,833.13 = 1,307.91/x
  3. Step 3: Cross multiply
    2,054.19x = 2,833.13 × 1,307.91
  4. Step 4: Simplify right side
    2,054.19x = 3,705,472.52
  5. Step 5: Solve for x
    x = 3,705,472.52/2,054.19
  6. Step 6: Final answer
    x = 1,803.86

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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.