Home / 2,900.10-4,347.75-1,440.27

Finding the Fourth Proportional to 2,900.10, 4,347.75 and 1,440.27

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Solution

The fourth proportional to 2,900.10, 4,347.75 and 1,440.27 is: 2,159.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.10 : 4,347.75 = 1,440.27 : x
  2. Step 2: Convert to fraction form
    2,900.10/4,347.75 = 1,440.27/x
  3. Step 3: Cross multiply
    2,900.10x = 4,347.75 × 1,440.27
  4. Step 4: Simplify right side
    2,900.10x = 6,261,933.89
  5. Step 5: Solve for x
    x = 6,261,933.89/2,900.10
  6. Step 6: Final answer
    x = 2,159.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.