Home / 2,526.84-3,490.02-1,782.72

Finding the Fourth Proportional to 2,526.84, 3,490.02 and 1,782.72

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Solution

The fourth proportional to 2,526.84, 3,490.02 and 1,782.72 is: 2,462.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.84 : 3,490.02 = 1,782.72 : x
  2. Step 2: Convert to fraction form
    2,526.84/3,490.02 = 1,782.72/x
  3. Step 3: Cross multiply
    2,526.84x = 3,490.02 × 1,782.72
  4. Step 4: Simplify right side
    2,526.84x = 6,221,728.45
  5. Step 5: Solve for x
    x = 6,221,728.45/2,526.84
  6. Step 6: Final answer
    x = 2,462.26

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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.