Home / 1,252.40-1,730.57-973.35

Finding the Fourth Proportional to 1,252.40, 1,730.57 and 973.35

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Solution

The fourth proportional to 1,252.40, 1,730.57 and 973.35 is: 1,344.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252.40 : 1,730.57 = 973.35 : x
  2. Step 2: Convert to fraction form
    1,252.40/1,730.57 = 973.35/x
  3. Step 3: Cross multiply
    1,252.40x = 1,730.57 × 973.35
  4. Step 4: Simplify right side
    1,252.40x = 1,684,445.44
  5. Step 5: Solve for x
    x = 1,684,445.44/1,252.40
  6. Step 6: Final answer
    x = 1,344.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.