Home / 3,510.50-5,266.29-1,319.39

Finding the Fourth Proportional to 3,510.50, 5,266.29 and 1,319.39

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Solution

The fourth proportional to 3,510.50, 5,266.29 and 1,319.39 is: 1,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.50 : 5,266.29 = 1,319.39 : x
  2. Step 2: Convert to fraction form
    3,510.50/5,266.29 = 1,319.39/x
  3. Step 3: Cross multiply
    3,510.50x = 5,266.29 × 1,319.39
  4. Step 4: Simplify right side
    3,510.50x = 6,948,264.03
  5. Step 5: Solve for x
    x = 6,948,264.03/3,510.50
  6. Step 6: Final answer
    x = 1,979.28

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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.