Home / 1,947.07-2,903.45-1,929.52

Finding the Fourth Proportional to 1,947.07, 2,903.45 and 1,929.52

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Solution

The fourth proportional to 1,947.07, 2,903.45 and 1,929.52 is: 2,877.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947.07 : 2,903.45 = 1,929.52 : x
  2. Step 2: Convert to fraction form
    1,947.07/2,903.45 = 1,929.52/x
  3. Step 3: Cross multiply
    1,947.07x = 2,903.45 × 1,929.52
  4. Step 4: Simplify right side
    1,947.07x = 5,602,264.84
  5. Step 5: Solve for x
    x = 5,602,264.84/1,947.07
  6. Step 6: Final answer
    x = 2,877.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.