Home / 2,032.16-3,047.10-645.24

Finding the Fourth Proportional to 2,032.16, 3,047.10 and 645.24

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Solution

The fourth proportional to 2,032.16, 3,047.10 and 645.24 is: 967.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,032.16 : 3,047.10 = 645.24 : x
  2. Step 2: Convert to fraction form
    2,032.16/3,047.10 = 645.24/x
  3. Step 3: Cross multiply
    2,032.16x = 3,047.10 × 645.24
  4. Step 4: Simplify right side
    2,032.16x = 1,966,110.80
  5. Step 5: Solve for x
    x = 1,966,110.80/2,032.16
  6. Step 6: Final answer
    x = 967.50

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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.