Home / 2,555.34-3,526.40-1,507.40

Finding the Fourth Proportional to 2,555.34, 3,526.40 and 1,507.40

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Solution

The fourth proportional to 2,555.34, 3,526.40 and 1,507.40 is: 2,080.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.34 : 3,526.40 = 1,507.40 : x
  2. Step 2: Convert to fraction form
    2,555.34/3,526.40 = 1,507.40/x
  3. Step 3: Cross multiply
    2,555.34x = 3,526.40 × 1,507.40
  4. Step 4: Simplify right side
    2,555.34x = 5,315,695.36
  5. Step 5: Solve for x
    x = 5,315,695.36/2,555.34
  6. Step 6: Final answer
    x = 2,080.23

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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.