Home / 2,077.47-2,865.75-1,330.58

Finding the Fourth Proportional to 2,077.47, 2,865.75 and 1,330.58

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Solution

The fourth proportional to 2,077.47, 2,865.75 and 1,330.58 is: 1,835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.47 : 2,865.75 = 1,330.58 : x
  2. Step 2: Convert to fraction form
    2,077.47/2,865.75 = 1,330.58/x
  3. Step 3: Cross multiply
    2,077.47x = 2,865.75 × 1,330.58
  4. Step 4: Simplify right side
    2,077.47x = 3,813,095.31
  5. Step 5: Solve for x
    x = 3,813,095.31/2,077.47
  6. Step 6: Final answer
    x = 1,835.45

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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.