Home / 2,901.64-4,004.88-1,783.16

Finding the Fourth Proportional to 2,901.64, 4,004.88 and 1,783.16

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Solution

The fourth proportional to 2,901.64, 4,004.88 and 1,783.16 is: 2,461.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.64 : 4,004.88 = 1,783.16 : x
  2. Step 2: Convert to fraction form
    2,901.64/4,004.88 = 1,783.16/x
  3. Step 3: Cross multiply
    2,901.64x = 4,004.88 × 1,783.16
  4. Step 4: Simplify right side
    2,901.64x = 7,141,341.82
  5. Step 5: Solve for x
    x = 7,141,341.82/2,901.64
  6. Step 6: Final answer
    x = 2,461.14

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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.