Home / 1,818.19-2,508.65-1,154.80

Finding the Fourth Proportional to 1,818.19, 2,508.65 and 1,154.80

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Solution

The fourth proportional to 1,818.19, 2,508.65 and 1,154.80 is: 1,593.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.19 : 2,508.65 = 1,154.80 : x
  2. Step 2: Convert to fraction form
    1,818.19/2,508.65 = 1,154.80/x
  3. Step 3: Cross multiply
    1,818.19x = 2,508.65 × 1,154.80
  4. Step 4: Simplify right side
    1,818.19x = 2,896,983.25
  5. Step 5: Solve for x
    x = 2,896,983.25/1,818.19
  6. Step 6: Final answer
    x = 1,593.33

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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.