Home / 1,555.50-2,328.70-1,463.01

Finding the Fourth Proportional to 1,555.50, 2,328.70 and 1,463.01

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Solution

The fourth proportional to 1,555.50, 2,328.70 and 1,463.01 is: 2,190.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555.50 : 2,328.70 = 1,463.01 : x
  2. Step 2: Convert to fraction form
    1,555.50/2,328.70 = 1,463.01/x
  3. Step 3: Cross multiply
    1,555.50x = 2,328.70 × 1,463.01
  4. Step 4: Simplify right side
    1,555.50x = 3,406,914.84
  5. Step 5: Solve for x
    x = 3,406,914.84/1,555.50
  6. Step 6: Final answer
    x = 2,190.23

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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.