Home / 1,678.04-2,316.48-1,119.44

Finding the Fourth Proportional to 1,678.04, 2,316.48 and 1,119.44

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Solution

The fourth proportional to 1,678.04, 2,316.48 and 1,119.44 is: 1,545.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678.04 : 2,316.48 = 1,119.44 : x
  2. Step 2: Convert to fraction form
    1,678.04/2,316.48 = 1,119.44/x
  3. Step 3: Cross multiply
    1,678.04x = 2,316.48 × 1,119.44
  4. Step 4: Simplify right side
    1,678.04x = 2,593,160.37
  5. Step 5: Solve for x
    x = 2,593,160.37/1,678.04
  6. Step 6: Final answer
    x = 1,545.35

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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.