Home / 2,225.04-3,338.40-1,402.40

Finding the Fourth Proportional to 2,225.04, 3,338.40 and 1,402.40

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Solution

The fourth proportional to 2,225.04, 3,338.40 and 1,402.40 is: 2,104.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.04 : 3,338.40 = 1,402.40 : x
  2. Step 2: Convert to fraction form
    2,225.04/3,338.40 = 1,402.40/x
  3. Step 3: Cross multiply
    2,225.04x = 3,338.40 × 1,402.40
  4. Step 4: Simplify right side
    2,225.04x = 4,681,772.16
  5. Step 5: Solve for x
    x = 4,681,772.16/2,225.04
  6. Step 6: Final answer
    x = 2,104.13

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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.