Home / 1,506.83-2,251.07-975.40

Finding the Fourth Proportional to 1,506.83, 2,251.07 and 975.40

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Solution

The fourth proportional to 1,506.83, 2,251.07 and 975.40 is: 1,457.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.83 : 2,251.07 = 975.40 : x
  2. Step 2: Convert to fraction form
    1,506.83/2,251.07 = 975.40/x
  3. Step 3: Cross multiply
    1,506.83x = 2,251.07 × 975.40
  4. Step 4: Simplify right side
    1,506.83x = 2,195,703.40
  5. Step 5: Solve for x
    x = 2,195,703.40/1,506.83
  6. Step 6: Final answer
    x = 1,457.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.