Home / 1,503.10-2,075.04-943.90

Finding the Fourth Proportional to 1,503.10, 2,075.04 and 943.90

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Solution

The fourth proportional to 1,503.10, 2,075.04 and 943.90 is: 1,303.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.10 : 2,075.04 = 943.90 : x
  2. Step 2: Convert to fraction form
    1,503.10/2,075.04 = 943.90/x
  3. Step 3: Cross multiply
    1,503.10x = 2,075.04 × 943.90
  4. Step 4: Simplify right side
    1,503.10x = 1,958,630.26
  5. Step 5: Solve for x
    x = 1,958,630.26/1,503.10
  6. Step 6: Final answer
    x = 1,303.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.