Home / 1,506.51-2,080.61-1,035.65

Finding the Fourth Proportional to 1,506.51, 2,080.61 and 1,035.65

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Solution

The fourth proportional to 1,506.51, 2,080.61 and 1,035.65 is: 1,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.51 : 2,080.61 = 1,035.65 : x
  2. Step 2: Convert to fraction form
    1,506.51/2,080.61 = 1,035.65/x
  3. Step 3: Cross multiply
    1,506.51x = 2,080.61 × 1,035.65
  4. Step 4: Simplify right side
    1,506.51x = 2,154,783.75
  5. Step 5: Solve for x
    x = 2,154,783.75/1,506.51
  6. Step 6: Final answer
    x = 1,430.31

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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.