Home / 2,457.04-3,386.42-2,140.32

Finding the Fourth Proportional to 2,457.04, 3,386.42 and 2,140.32

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Solution

The fourth proportional to 2,457.04, 3,386.42 and 2,140.32 is: 2,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.04 : 3,386.42 = 2,140.32 : x
  2. Step 2: Convert to fraction form
    2,457.04/3,386.42 = 2,140.32/x
  3. Step 3: Cross multiply
    2,457.04x = 3,386.42 × 2,140.32
  4. Step 4: Simplify right side
    2,457.04x = 7,248,022.45
  5. Step 5: Solve for x
    x = 7,248,022.45/2,457.04
  6. Step 6: Final answer
    x = 2,949.90

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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.