Home / 3,417.63-4,715.51-2,621.76

Finding the Fourth Proportional to 3,417.63, 4,715.51 and 2,621.76

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Solution

The fourth proportional to 3,417.63, 4,715.51 and 2,621.76 is: 3,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.63 : 4,715.51 = 2,621.76 : x
  2. Step 2: Convert to fraction form
    3,417.63/4,715.51 = 2,621.76/x
  3. Step 3: Cross multiply
    3,417.63x = 4,715.51 × 2,621.76
  4. Step 4: Simplify right side
    3,417.63x = 12,362,922.39
  5. Step 5: Solve for x
    x = 12,362,922.39/3,417.63
  6. Step 6: Final answer
    x = 3,617.40

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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.