Home / 3,140.69-4,335.38-2,357.01

Finding the Fourth Proportional to 3,140.69, 4,335.38 and 2,357.01

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Solution

The fourth proportional to 3,140.69, 4,335.38 and 2,357.01 is: 3,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.69 : 4,335.38 = 2,357.01 : x
  2. Step 2: Convert to fraction form
    3,140.69/4,335.38 = 2,357.01/x
  3. Step 3: Cross multiply
    3,140.69x = 4,335.38 × 2,357.01
  4. Step 4: Simplify right side
    3,140.69x = 10,218,522.23
  5. Step 5: Solve for x
    x = 10,218,522.23/3,140.69
  6. Step 6: Final answer
    x = 3,253.60

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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.