Home / 2,140.07-2,953.30-1,301.05

Finding the Fourth Proportional to 2,140.07, 2,953.30 and 1,301.05

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Solution

The fourth proportional to 2,140.07, 2,953.30 and 1,301.05 is: 1,795.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.07 : 2,953.30 = 1,301.05 : x
  2. Step 2: Convert to fraction form
    2,140.07/2,953.30 = 1,301.05/x
  3. Step 3: Cross multiply
    2,140.07x = 2,953.30 × 1,301.05
  4. Step 4: Simplify right side
    2,140.07x = 3,842,390.97
  5. Step 5: Solve for x
    x = 3,842,390.97/2,140.07
  6. Step 6: Final answer
    x = 1,795.45

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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.