Home / 1,451.16-2,159.28-1,446.30

Finding the Fourth Proportional to 1,451.16, 2,159.28 and 1,446.30

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Solution

The fourth proportional to 1,451.16, 2,159.28 and 1,446.30 is: 2,152.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.16 : 2,159.28 = 1,446.30 : x
  2. Step 2: Convert to fraction form
    1,451.16/2,159.28 = 1,446.30/x
  3. Step 3: Cross multiply
    1,451.16x = 2,159.28 × 1,446.30
  4. Step 4: Simplify right side
    1,451.16x = 3,122,966.66
  5. Step 5: Solve for x
    x = 3,122,966.66/1,451.16
  6. Step 6: Final answer
    x = 2,152.05

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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.