Home / 2,557.63-3,529.88-1,851.81

Finding the Fourth Proportional to 2,557.63, 3,529.88 and 1,851.81

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Solution

The fourth proportional to 2,557.63, 3,529.88 and 1,851.81 is: 2,555.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.63 : 3,529.88 = 1,851.81 : x
  2. Step 2: Convert to fraction form
    2,557.63/3,529.88 = 1,851.81/x
  3. Step 3: Cross multiply
    2,557.63x = 3,529.88 × 1,851.81
  4. Step 4: Simplify right side
    2,557.63x = 6,536,671.39
  5. Step 5: Solve for x
    x = 6,536,671.39/2,557.63
  6. Step 6: Final answer
    x = 2,555.76

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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.