Home / 1,448.64-2,159.22-1,437.30

Finding the Fourth Proportional to 1,448.64, 2,159.22 and 1,437.30

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Solution

The fourth proportional to 1,448.64, 2,159.22 and 1,437.30 is: 2,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.64 : 2,159.22 = 1,437.30 : x
  2. Step 2: Convert to fraction form
    1,448.64/2,159.22 = 1,437.30/x
  3. Step 3: Cross multiply
    1,448.64x = 2,159.22 × 1,437.30
  4. Step 4: Simplify right side
    1,448.64x = 3,103,446.91
  5. Step 5: Solve for x
    x = 3,103,446.91/1,448.64
  6. Step 6: Final answer
    x = 2,142.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.