Home / 2,291.01-3,159.28-2,038.14

Finding the Fourth Proportional to 2,291.01, 3,159.28 and 2,038.14

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Solution

The fourth proportional to 2,291.01, 3,159.28 and 2,038.14 is: 2,810.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.01 : 3,159.28 = 2,038.14 : x
  2. Step 2: Convert to fraction form
    2,291.01/3,159.28 = 2,038.14/x
  3. Step 3: Cross multiply
    2,291.01x = 3,159.28 × 2,038.14
  4. Step 4: Simplify right side
    2,291.01x = 6,439,054.94
  5. Step 5: Solve for x
    x = 6,439,054.94/2,291.01
  6. Step 6: Final answer
    x = 2,810.57

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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.