Home / 1,555.83-2,328.26-971.10

Finding the Fourth Proportional to 1,555.83, 2,328.26 and 971.10

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Solution

The fourth proportional to 1,555.83, 2,328.26 and 971.10 is: 1,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555.83 : 2,328.26 = 971.10 : x
  2. Step 2: Convert to fraction form
    1,555.83/2,328.26 = 971.10/x
  3. Step 3: Cross multiply
    1,555.83x = 2,328.26 × 971.10
  4. Step 4: Simplify right side
    1,555.83x = 2,260,972.80
  5. Step 5: Solve for x
    x = 2,260,972.80/1,555.83
  6. Step 6: Final answer
    x = 1,453.23

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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.