Home / 1,917.04-2,870.44-1,094.18

Finding the Fourth Proportional to 1,917.04, 2,870.44 and 1,094.18

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Solution

The fourth proportional to 1,917.04, 2,870.44 and 1,094.18 is: 1,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917.04 : 2,870.44 = 1,094.18 : x
  2. Step 2: Convert to fraction form
    1,917.04/2,870.44 = 1,094.18/x
  3. Step 3: Cross multiply
    1,917.04x = 2,870.44 × 1,094.18
  4. Step 4: Simplify right side
    1,917.04x = 3,140,785.17
  5. Step 5: Solve for x
    x = 3,140,785.17/1,917.04
  6. Step 6: Final answer
    x = 1,638.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.