Home / 1,482.18-2,222.19-962.70

Finding the Fourth Proportional to 1,482.18, 2,222.19 and 962.70

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Solution

The fourth proportional to 1,482.18, 2,222.19 and 962.70 is: 1,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.18 : 2,222.19 = 962.70 : x
  2. Step 2: Convert to fraction form
    1,482.18/2,222.19 = 962.70/x
  3. Step 3: Cross multiply
    1,482.18x = 2,222.19 × 962.70
  4. Step 4: Simplify right side
    1,482.18x = 2,139,302.31
  5. Step 5: Solve for x
    x = 2,139,302.31/1,482.18
  6. Step 6: Final answer
    x = 1,443.35

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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.