Home / 3,041.76-4,197.69-1,715.20

Finding the Fourth Proportional to 3,041.76, 4,197.69 and 1,715.20

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Solution

The fourth proportional to 3,041.76, 4,197.69 and 1,715.20 is: 2,367.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,041.76 : 4,197.69 = 1,715.20 : x
  2. Step 2: Convert to fraction form
    3,041.76/4,197.69 = 1,715.20/x
  3. Step 3: Cross multiply
    3,041.76x = 4,197.69 × 1,715.20
  4. Step 4: Simplify right side
    3,041.76x = 7,199,886.18
  5. Step 5: Solve for x
    x = 7,199,886.18/3,041.76
  6. Step 6: Final answer
    x = 2,367.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.