Home / 3,534.38-5,303.69-1,312.84

Finding the Fourth Proportional to 3,534.38, 5,303.69 and 1,312.84

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Solution

The fourth proportional to 3,534.38, 5,303.69 and 1,312.84 is: 1,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.38 : 5,303.69 = 1,312.84 : x
  2. Step 2: Convert to fraction form
    3,534.38/5,303.69 = 1,312.84/x
  3. Step 3: Cross multiply
    3,534.38x = 5,303.69 × 1,312.84
  4. Step 4: Simplify right side
    3,534.38x = 6,962,898.34
  5. Step 5: Solve for x
    x = 6,962,898.34/3,534.38
  6. Step 6: Final answer
    x = 1,970.05

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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.