Home / 2,918.04-4,378.68-1,748.40

Finding the Fourth Proportional to 2,918.04, 4,378.68 and 1,748.40

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Solution

The fourth proportional to 2,918.04, 4,378.68 and 1,748.40 is: 2,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.04 : 4,378.68 = 1,748.40 : x
  2. Step 2: Convert to fraction form
    2,918.04/4,378.68 = 1,748.40/x
  3. Step 3: Cross multiply
    2,918.04x = 4,378.68 × 1,748.40
  4. Step 4: Simplify right side
    2,918.04x = 7,655,684.11
  5. Step 5: Solve for x
    x = 7,655,684.11/2,918.04
  6. Step 6: Final answer
    x = 2,623.57

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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.