Home / 2,973.51-4,461.28-1,125.16

Finding the Fourth Proportional to 2,973.51, 4,461.28 and 1,125.16

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Solution

The fourth proportional to 2,973.51, 4,461.28 and 1,125.16 is: 1,688.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.51 : 4,461.28 = 1,125.16 : x
  2. Step 2: Convert to fraction form
    2,973.51/4,461.28 = 1,125.16/x
  3. Step 3: Cross multiply
    2,973.51x = 4,461.28 × 1,125.16
  4. Step 4: Simplify right side
    2,973.51x = 5,019,639.84
  5. Step 5: Solve for x
    x = 5,019,639.84/2,973.51
  6. Step 6: Final answer
    x = 1,688.12

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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.