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Finding the Fourth Proportional to 3,054.98, 4,580.72 and 975.50

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Solution

The fourth proportional to 3,054.98, 4,580.72 and 975.50 is: 1,462.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.98 : 4,580.72 = 975.50 : x
  2. Step 2: Convert to fraction form
    3,054.98/4,580.72 = 975.50/x
  3. Step 3: Cross multiply
    3,054.98x = 4,580.72 × 975.50
  4. Step 4: Simplify right side
    3,054.98x = 4,468,492.36
  5. Step 5: Solve for x
    x = 4,468,492.36/3,054.98
  6. Step 6: Final answer
    x = 1,462.69

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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.