Home / 3,126.04-4,688.08-1,045.56

Finding the Fourth Proportional to 3,126.04, 4,688.08 and 1,045.56

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Solution

The fourth proportional to 3,126.04, 4,688.08 and 1,045.56 is: 1,568.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.04 : 4,688.08 = 1,045.56 : x
  2. Step 2: Convert to fraction form
    3,126.04/4,688.08 = 1,045.56/x
  3. Step 3: Cross multiply
    3,126.04x = 4,688.08 × 1,045.56
  4. Step 4: Simplify right side
    3,126.04x = 4,901,657.52
  5. Step 5: Solve for x
    x = 4,901,657.52/3,126.04
  6. Step 6: Final answer
    x = 1,568.01

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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.