Home / 3,509.10-5,263.61-1,010.35

Finding the Fourth Proportional to 3,509.10, 5,263.61 and 1,010.35

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Solution

The fourth proportional to 3,509.10, 5,263.61 and 1,010.35 is: 1,515.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.10 : 5,263.61 = 1,010.35 : x
  2. Step 2: Convert to fraction form
    3,509.10/5,263.61 = 1,010.35/x
  3. Step 3: Cross multiply
    3,509.10x = 5,263.61 × 1,010.35
  4. Step 4: Simplify right side
    3,509.10x = 5,318,070.15
  5. Step 5: Solve for x
    x = 5,318,070.15/3,509.10
  6. Step 6: Final answer
    x = 1,515.51

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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.