Home / 2,360.95-3,530.18-2,154.40

Finding the Fourth Proportional to 2,360.95, 3,530.18 and 2,154.40

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Solution

The fourth proportional to 2,360.95, 3,530.18 and 2,154.40 is: 3,221.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.95 : 3,530.18 = 2,154.40 : x
  2. Step 2: Convert to fraction form
    2,360.95/3,530.18 = 2,154.40/x
  3. Step 3: Cross multiply
    2,360.95x = 3,530.18 × 2,154.40
  4. Step 4: Simplify right side
    2,360.95x = 7,605,416.35
  5. Step 5: Solve for x
    x = 7,605,416.35/2,360.95
  6. Step 6: Final answer
    x = 3,221.34

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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.