Home / 2,113.02-3,170.21-1,017.50

Finding the Fourth Proportional to 2,113.02, 3,170.21 and 1,017.50

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Solution

The fourth proportional to 2,113.02, 3,170.21 and 1,017.50 is: 1,526.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.02 : 3,170.21 = 1,017.50 : x
  2. Step 2: Convert to fraction form
    2,113.02/3,170.21 = 1,017.50/x
  3. Step 3: Cross multiply
    2,113.02x = 3,170.21 × 1,017.50
  4. Step 4: Simplify right side
    2,113.02x = 3,225,667.74
  5. Step 5: Solve for x
    x = 3,225,667.74/2,113.02
  6. Step 6: Final answer
    x = 1,526.57

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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.