Home / 1,931.58-2,663.62-1,652.74

Finding the Fourth Proportional to 1,931.58, 2,663.62 and 1,652.74

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Solution

The fourth proportional to 1,931.58, 2,663.62 and 1,652.74 is: 2,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.58 : 2,663.62 = 1,652.74 : x
  2. Step 2: Convert to fraction form
    1,931.58/2,663.62 = 1,652.74/x
  3. Step 3: Cross multiply
    1,931.58x = 2,663.62 × 1,652.74
  4. Step 4: Simplify right side
    1,931.58x = 4,402,260.53
  5. Step 5: Solve for x
    x = 4,402,260.53/1,931.58
  6. Step 6: Final answer
    x = 2,279.10

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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.