Home / 2,407.22-3,592.15-2,130.40

Finding the Fourth Proportional to 2,407.22, 3,592.15 and 2,130.40

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Solution

The fourth proportional to 2,407.22, 3,592.15 and 2,130.40 is: 3,179.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.22 : 3,592.15 = 2,130.40 : x
  2. Step 2: Convert to fraction form
    2,407.22/3,592.15 = 2,130.40/x
  3. Step 3: Cross multiply
    2,407.22x = 3,592.15 × 2,130.40
  4. Step 4: Simplify right side
    2,407.22x = 7,652,715.52
  5. Step 5: Solve for x
    x = 7,652,715.52/2,407.22
  6. Step 6: Final answer
    x = 3,179.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.