Home / 1,442.48-2,165.64-975.52

Finding the Fourth Proportional to 1,442.48, 2,165.64 and 975.52

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Solution

The fourth proportional to 1,442.48, 2,165.64 and 975.52 is: 1,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442.48 : 2,165.64 = 975.52 : x
  2. Step 2: Convert to fraction form
    1,442.48/2,165.64 = 975.52/x
  3. Step 3: Cross multiply
    1,442.48x = 2,165.64 × 975.52
  4. Step 4: Simplify right side
    1,442.48x = 2,112,631.12
  5. Step 5: Solve for x
    x = 2,112,631.12/1,442.48
  6. Step 6: Final answer
    x = 1,464.58

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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.