Home / 1,663.40-2,495.16-1,374.32

Finding the Fourth Proportional to 1,663.40, 2,495.16 and 1,374.32

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Solution

The fourth proportional to 1,663.40, 2,495.16 and 1,374.32 is: 2,061.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663.40 : 2,495.16 = 1,374.32 : x
  2. Step 2: Convert to fraction form
    1,663.40/2,495.16 = 1,374.32/x
  3. Step 3: Cross multiply
    1,663.40x = 2,495.16 × 1,374.32
  4. Step 4: Simplify right side
    1,663.40x = 3,429,148.29
  5. Step 5: Solve for x
    x = 3,429,148.29/1,663.40
  6. Step 6: Final answer
    x = 2,061.53

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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.