Home / 2,378.04-3,568.08-918.22

Finding the Fourth Proportional to 2,378.04, 3,568.08 and 918.22

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Solution

The fourth proportional to 2,378.04, 3,568.08 and 918.22 is: 1,377.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.04 : 3,568.08 = 918.22 : x
  2. Step 2: Convert to fraction form
    2,378.04/3,568.08 = 918.22/x
  3. Step 3: Cross multiply
    2,378.04x = 3,568.08 × 918.22
  4. Step 4: Simplify right side
    2,378.04x = 3,276,283.63
  5. Step 5: Solve for x
    x = 3,276,283.63/2,378.04
  6. Step 6: Final answer
    x = 1,377.72

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1.5x scale

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.