Home / 3,070.70-4,606.08-1,123.46

Finding the Fourth Proportional to 3,070.70, 4,606.08 and 1,123.46

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Solution

The fourth proportional to 3,070.70, 4,606.08 and 1,123.46 is: 1,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.70 : 4,606.08 = 1,123.46 : x
  2. Step 2: Convert to fraction form
    3,070.70/4,606.08 = 1,123.46/x
  3. Step 3: Cross multiply
    3,070.70x = 4,606.08 × 1,123.46
  4. Step 4: Simplify right side
    3,070.70x = 5,174,746.64
  5. Step 5: Solve for x
    x = 5,174,746.64/3,070.70
  6. Step 6: Final answer
    x = 1,685.20

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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.