Home / 3,947.18-5,916.56-2,970.26

Finding the Fourth Proportional to 3,947.18, 5,916.56 and 2,970.26

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Solution

The fourth proportional to 3,947.18, 5,916.56 and 2,970.26 is: 4,452.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.18 : 5,916.56 = 2,970.26 : x
  2. Step 2: Convert to fraction form
    3,947.18/5,916.56 = 2,970.26/x
  3. Step 3: Cross multiply
    3,947.18x = 5,916.56 × 2,970.26
  4. Step 4: Simplify right side
    3,947.18x = 17,573,721.51
  5. Step 5: Solve for x
    x = 17,573,721.51/3,947.18
  6. Step 6: Final answer
    x = 4,452.22

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1.5x scale

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.