Home / 1,451.06-2,176.80-476.96

Finding the Fourth Proportional to 1,451.06, 2,176.80 and 476.96

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Solution

The fourth proportional to 1,451.06, 2,176.80 and 476.96 is: 715.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.06 : 2,176.80 = 476.96 : x
  2. Step 2: Convert to fraction form
    1,451.06/2,176.80 = 476.96/x
  3. Step 3: Cross multiply
    1,451.06x = 2,176.80 × 476.96
  4. Step 4: Simplify right side
    1,451.06x = 1,038,246.53
  5. Step 5: Solve for x
    x = 1,038,246.53/1,451.06
  6. Step 6: Final answer
    x = 715.51

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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.