Home / 3,657.36-5,482.20-1,348.08

Finding the Fourth Proportional to 3,657.36, 5,482.20 and 1,348.08

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Solution

The fourth proportional to 3,657.36, 5,482.20 and 1,348.08 is: 2,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.36 : 5,482.20 = 1,348.08 : x
  2. Step 2: Convert to fraction form
    3,657.36/5,482.20 = 1,348.08/x
  3. Step 3: Cross multiply
    3,657.36x = 5,482.20 × 1,348.08
  4. Step 4: Simplify right side
    3,657.36x = 7,390,444.18
  5. Step 5: Solve for x
    x = 7,390,444.18/3,657.36
  6. Step 6: Final answer
    x = 2,020.70

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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.