Home / 3,513.48-5,275.08-1,783.32

Finding the Fourth Proportional to 3,513.48, 5,275.08 and 1,783.32

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Solution

The fourth proportional to 3,513.48, 5,275.08 and 1,783.32 is: 2,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.48 : 5,275.08 = 1,783.32 : x
  2. Step 2: Convert to fraction form
    3,513.48/5,275.08 = 1,783.32/x
  3. Step 3: Cross multiply
    3,513.48x = 5,275.08 × 1,783.32
  4. Step 4: Simplify right side
    3,513.48x = 9,407,155.67
  5. Step 5: Solve for x
    x = 9,407,155.67/3,513.48
  6. Step 6: Final answer
    x = 2,677.45

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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.