Home / 2,014.24-3,021.64-715.40

Finding the Fourth Proportional to 2,014.24, 3,021.64 and 715.40

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Solution

The fourth proportional to 2,014.24, 3,021.64 and 715.40 is: 1,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.24 : 3,021.64 = 715.40 : x
  2. Step 2: Convert to fraction form
    2,014.24/3,021.64 = 715.40/x
  3. Step 3: Cross multiply
    2,014.24x = 3,021.64 × 715.40
  4. Step 4: Simplify right side
    2,014.24x = 2,161,681.26
  5. Step 5: Solve for x
    x = 2,161,681.26/2,014.24
  6. Step 6: Final answer
    x = 1,073.20

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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.