Home / 2,457.03-3,386.43-2,140.32

Finding the Fourth Proportional to 2,457.03, 3,386.43 and 2,140.32

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Solution

The fourth proportional to 2,457.03, 3,386.43 and 2,140.32 is: 2,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.03 : 3,386.43 = 2,140.32 : x
  2. Step 2: Convert to fraction form
    2,457.03/3,386.43 = 2,140.32/x
  3. Step 3: Cross multiply
    2,457.03x = 3,386.43 × 2,140.32
  4. Step 4: Simplify right side
    2,457.03x = 7,248,043.86
  5. Step 5: Solve for x
    x = 7,248,043.86/2,457.03
  6. Step 6: Final answer
    x = 2,949.92

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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.