Home / 974-1,461-290

Finding the Fourth Proportional to 974, 1,461 and 290

Calculator

Solution

The fourth proportional to 974, 1,461 and 290 is: 435

Step by Step Solution

  1. Step 1: Write the proportion equation
    974 : 1,461 = 290 : x
  2. Step 2: Convert to fraction form
    974/1,461 = 290/x
  3. Step 3: Cross multiply
    974x = 1,461 × 290
  4. Step 4: Simplify right side
    974x = 423,690
  5. Step 5: Solve for x
    x = 423,690/974
  6. Step 6: Final answer
    x = 435

Related Problems

Find fourth proportional to 487, 730.50 and 145
Half scale
Find fourth proportional to 1,948, 2,922 and 580
Double scale
Find fourth proportional to 975, 1,462.50 and 291
Similar ratio
Find fourth proportional to 1,461, 2,191.50 and 435
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.