Home / 2,053.40-3,080.10-1,972.40

Finding the Fourth Proportional to 2,053.40, 3,080.10 and 1,972.40

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Solution

The fourth proportional to 2,053.40, 3,080.10 and 1,972.40 is: 2,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.40 : 3,080.10 = 1,972.40 : x
  2. Step 2: Convert to fraction form
    2,053.40/3,080.10 = 1,972.40/x
  3. Step 3: Cross multiply
    2,053.40x = 3,080.10 × 1,972.40
  4. Step 4: Simplify right side
    2,053.40x = 6,075,189.24
  5. Step 5: Solve for x
    x = 6,075,189.24/2,053.40
  6. Step 6: Final answer
    x = 2,958.60

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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.