Home / 2,457.36-3,390.16-1,572.96

Finding the Fourth Proportional to 2,457.36, 3,390.16 and 1,572.96

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Solution

The fourth proportional to 2,457.36, 3,390.16 and 1,572.96 is: 2,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.36 : 3,390.16 = 1,572.96 : x
  2. Step 2: Convert to fraction form
    2,457.36/3,390.16 = 1,572.96/x
  3. Step 3: Cross multiply
    2,457.36x = 3,390.16 × 1,572.96
  4. Step 4: Simplify right side
    2,457.36x = 5,332,586.07
  5. Step 5: Solve for x
    x = 5,332,586.07/2,457.36
  6. Step 6: Final answer
    x = 2,170.05

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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.