Home / 2,558.40-3,526.62-2,140.14

Finding the Fourth Proportional to 2,558.40, 3,526.62 and 2,140.14

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Solution

The fourth proportional to 2,558.40, 3,526.62 and 2,140.14 is: 2,950.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.40 : 3,526.62 = 2,140.14 : x
  2. Step 2: Convert to fraction form
    2,558.40/3,526.62 = 2,140.14/x
  3. Step 3: Cross multiply
    2,558.40x = 3,526.62 × 2,140.14
  4. Step 4: Simplify right side
    2,558.40x = 7,547,460.53
  5. Step 5: Solve for x
    x = 7,547,460.53/2,558.40
  6. Step 6: Final answer
    x = 2,950.07

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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.