Home / 2,290.10-3,159.79-1,295.24

Finding the Fourth Proportional to 2,290.10, 3,159.79 and 1,295.24

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Solution

The fourth proportional to 2,290.10, 3,159.79 and 1,295.24 is: 1,787.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.10 : 3,159.79 = 1,295.24 : x
  2. Step 2: Convert to fraction form
    2,290.10/3,159.79 = 1,295.24/x
  3. Step 3: Cross multiply
    2,290.10x = 3,159.79 × 1,295.24
  4. Step 4: Simplify right side
    2,290.10x = 4,092,686.40
  5. Step 5: Solve for x
    x = 4,092,686.40/2,290.10
  6. Step 6: Final answer
    x = 1,787.12

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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.