Home / 2,386.03-3,290.95-2,281.34

Finding the Fourth Proportional to 2,386.03, 3,290.95 and 2,281.34

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Solution

The fourth proportional to 2,386.03, 3,290.95 and 2,281.34 is: 3,146.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.03 : 3,290.95 = 2,281.34 : x
  2. Step 2: Convert to fraction form
    2,386.03/3,290.95 = 2,281.34/x
  3. Step 3: Cross multiply
    2,386.03x = 3,290.95 × 2,281.34
  4. Step 4: Simplify right side
    2,386.03x = 7,507,775.87
  5. Step 5: Solve for x
    x = 7,507,775.87/2,386.03
  6. Step 6: Final answer
    x = 3,146.56

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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.