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Finding the Fourth Proportional to 2,823.32, 4,235.43 and 973.98

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Solution

The fourth proportional to 2,823.32, 4,235.43 and 973.98 is: 1,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.32 : 4,235.43 = 973.98 : x
  2. Step 2: Convert to fraction form
    2,823.32/4,235.43 = 973.98/x
  3. Step 3: Cross multiply
    2,823.32x = 4,235.43 × 973.98
  4. Step 4: Simplify right side
    2,823.32x = 4,125,227.76
  5. Step 5: Solve for x
    x = 4,125,227.76/2,823.32
  6. Step 6: Final answer
    x = 1,461.13

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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.