Home / 2,140.10-2,953.02-1,300.36

Finding the Fourth Proportional to 2,140.10, 2,953.02 and 1,300.36

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Solution

The fourth proportional to 2,140.10, 2,953.02 and 1,300.36 is: 1,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.10 : 2,953.02 = 1,300.36 : x
  2. Step 2: Convert to fraction form
    2,140.10/2,953.02 = 1,300.36/x
  3. Step 3: Cross multiply
    2,140.10x = 2,953.02 × 1,300.36
  4. Step 4: Simplify right side
    2,140.10x = 3,839,989.09
  5. Step 5: Solve for x
    x = 3,839,989.09/2,140.10
  6. Step 6: Final answer
    x = 1,794.30

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1.5x scale

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.