Home / 2,900.32-4,002.44-1,574.01

Finding the Fourth Proportional to 2,900.32, 4,002.44 and 1,574.01

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Solution

The fourth proportional to 2,900.32, 4,002.44 and 1,574.01 is: 2,172.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.32 : 4,002.44 = 1,574.01 : x
  2. Step 2: Convert to fraction form
    2,900.32/4,002.44 = 1,574.01/x
  3. Step 3: Cross multiply
    2,900.32x = 4,002.44 × 1,574.01
  4. Step 4: Simplify right side
    2,900.32x = 6,299,872.71
  5. Step 5: Solve for x
    x = 6,299,872.71/2,900.32
  6. Step 6: Final answer
    x = 2,172.13

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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.